Qa1 Coilover Spring Rate Chart
Qa1 Coilover Spring Rate ChartFree ShippingLoading Estimated Ship Date: Today. heavier lower spring in the 100 to 300 lb. To be 100% accurate in determining. 3 represents the amount of spring needed at 20 º of angle to equal the desired rate of 200 lbs. A detailed explanation of how coilover springs work, how to calculate your spring rate, how to fix incorrect springs and how to set up your coilover springs. The QA1 GM Pro Coil System for 1955-1957 Chevy and 1964-1967 GM A-Body vehicles is a great option for anyone looking for fully adjustable ride height and valving control. Jump to Latest Follow 1366 Views 4 Replies 4 Participants Last post by 406shark, Mar 27, 2013. requires spring “Hi” Rear — 63 lbs. Drag racers who trust Strange Engineering deserve a quality drag race coil-over spring that won’t let them down. net To 1927 Ford Coupe 1200 1300 2500 1928-1931 Ford Coupe 1300 1400 2700 1932-1934 Ford Coupe 1400 1600 3000 1935-1938 Ford. Free Shipping - QA1 1963-72 C10 Coilover Conversion Systems with qualifying orders of $109. the 450 sprs will be slightly stiffer and give you a crisper and less body roll ride.
QA1 coilovers for 68 Firebird, what spring rate?.
Available with three options of high travel spring rates, these shocks allow for ride height adjustability and are 100% dyno tested and serialized. I'm thinking 500 front and either 150 or 175 rear spring rates, but I'm a little torn. 1968 Camaro, 400SBC, Baer T4 13", Airride, Autometer, 18" Intro's, March, LED taillights, Magnaflow, König seats. Us our chart to find the correct spring rate and get some install tips from the experts. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search. 30″ collapsed (stock to leveled) Extended Eyelets – All trucks. These shocks are a must-have for high-horsepower race cars to help control how the tire interacts with the track. QA1's custom carbon fiber driveshafts start at $1,392.
Choosing Springs For Your Hot Rod.
Coil Springs Guide/Document (255SM10). Lengths and Rates Marked All QA1 springs are clearly marked with the free length of the spring and spring rate for quick and easy identification. Shop Now at the Guaranteed Lowest Price! JEGS Day - 20% Off Over 650+ Products - Extended! 600 lb. I then called Ridetech who recommended a 650lb spring rate for the. QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rod's ride.
Qa1 coil over spring rate.
You can also go to the local commercial scales (junk yard etc. Coil-Overs, QA1 Pro Coil Adjustable, 1964-67 A-Body, Front.
How to Adjust Coilovers: Height, Preload, Dampening.
Coilover Kit, MOD Series Pro, Front, Twin-Tube, 0. spring rate to determine the matching rear coil-over spring rate. 5" long shock, 400# spring, for a 5/8" bolt with heavy duty bushings. Spring rates may vary depending on applications, usage and personal preference. For the sake of illustration, let's presume that a 500 lb/in spring (R) measuring 8. QA1 1967-74 GM Front Coil-Over Kit made by QA1, for as low as $705.
Installing a QA1 Coilover Kit.
Billet aluminum shock body; 5/8 " centerless ground, hard chrome plated, solid piston rod Coil-Over Chart (JPG) Coil-Over Mounting Guide (GIF) Guides & Documents. QA1's springs are strong, consistent, and have a long life because they are made with the highest quality materials. It's also worth noting the spring rates that we selected. That same assembly, when installed …. 255/60/15's in the back and 235/60/15's in the front. Spring Design (s): Optimum Body Diameter (OBD) Note: Some 4″ and 5″ free lengths use a more traditional spring design as there are not enough active coils to allow an OBD. Made of high-tensile chrome-silicon wire, these springs require fewer coils, which reduces weight up to 28 percent and. With your extended length measurements, you should start to have a good idea on what travel shock you want to run. For drag launch up front, with coilovers and a BB, I like the 450 spring instead of 550. Hours & Schedule · Our Mission · Sitemap · RSS · Cart · Wishlist · Ratings & . The units of measurement of rate in the English System are, lbf/in. I would imagine 300lbish since it is kinda short maybe + or - 50lbs. For the rear, about two clicks otter than the front is considered a. View All QA1 Pro Coil-Over System. QA1 Chrome Coil-over Racing Springs, 1-7/8 I. russ67chevelle Discussion starter · #3 · Oct 26, 2010. You need to reinforce your lower control arms or they will eventually break. Material: High tensile chrome silicone. 3 VariShock Coil-Over Shocks Coil-Over Shock Travel Street Handling Drag Spring Free Length Street Handling Drag 60/40 50/50 40/60 Max. Speedway Motors has the best 1968 Chevy Camaro Coilovers available. 95) A V6 or Straight 6 motor will generally use the lighter spring rates. The 230 pounds represents the spring-rate needed when mounted at a 30-degree angle to equal the desired spring rate of 200 pounds when mounted straight up. It is a combination of spring rate and hieght that affects ride hieght. Upgrade your classic truck's handling and dial in. If I choose a 5kg/mm spring rate (to suit the ride frequency of the axle), when applying. 75" narrower than a Crown Vic swap, providing ideal handling and allowing fitment of larger wheels and tires. QA1 Adjustable 11 Inch Coil-Over Shock Kit made by QA1, for as low as $589. magna19 Discussion starter · Sep 1, 2011. Initially, there were reported issues with shock. I went with the 250# front spring setup the weight of the springs work. Chevrolet C1500 2wd 1988-1998 QA1 Front Coil Over Kit QA1. Think of what "spring rate" means: The weight it takes to depress the spring 1".
What Is a Treadwear Rating Chart?.
They also offer upgrades or options including different spring rates, single-, double-, or triple-adjustable versions, and as mentioned in QA1’s case, its MOD shocks’ infinite tuning. Find QA1 1963-87 C10 Front Coilover Conversion Systems and get Free Shipping on Orders Over $109 at Summit Racing! QA1 1963-87 C10 front coilover conversion systems are a great upgrade to your C10 front suspension. Front Coilover Kit for 67, 68, 69 Camaro and Firebird double adjustable 300 rate spring. It is nose heavy to say the least. More details can be found in the installation steps. The graph below is data directly off a shock dyno and is used for illustration purposes only. “Determining the correct spring-rate for the vehicle will also depend on the suspension type (independent vs. Choosing a spring rate for a QA1 Pro Coil bolt-in coil-over system is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has bee. Get the Best Performance with QA1 Pro Coil Front Coil-Over System Double Adjustable Shock GD401-08600C parts at JEGS. 5" Coilover Chrome-Silicon Racing Spring made by QA1, for as low as $77. QA1 12HT250 High Travel Coil-Over Spring, 12 Inch, 250lb Rate made by QA1, for as low as $72. 00 per mile as their net take-home after expenses. This kit also includes a set of thrust washers and torrington needle bearings to provide for bind-free spring movement and easy ride height adjustments. Spring Rate Range: 500 - 599 lbs. The 350 and 450 spring rates sound way to stiff. For example, this 1972 Chevy Chevelle is getting a set of Aldan American’s single adjustable coilover shocks and 450 pounds-per-inch rate springs—perfect for the all aluminum LS engine under its hood. , 8 Inch made by QA1, for as low as $80. QA1 | AFCO 24250CR 14 Inch Extreme Chrome Coil-Over Spring - 250 Rate (1) Spring Rate Range: 200 - 299 lbs. Application Charts for Drag Racing Brake Kits, adjustable Shocks, Coilovers, Springs, Gear Sets, Installation Kits and C-clip axles-Strange. In addition, all QA1 springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. For comparison a stock 78-81 Malibu rear coil spring is 118 lb/in rate. 25" Note: Shock lengths represent approximate mounted length at. Spring Rate, Buick, Chevy, GMC. QA1 MD301-08375 Part Number: 122-MD301-08375. 1 inch stroke combined with a 2 inch drop. Universal HQ Coil-Over Shock-Single Adjustable-Each. The Ridetech Tri 5 Coil-Over package includes everything you need to completely upgrade your existing suspension and give your vehicle to aggressive lower stance. Here's how to determine the ideal range of spring rates for your car. QA1 HK22-GMA2 Handling Kit Level 2, 1968-72 GM A-Body, …. As a rule-of-thumb, many drivers assume $1. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing!. you can use 175's, but the ride may be a little harsh. Steel construction Black anodized finish Sold. Part # SM10-95: Brand: QA1: Spring Rate Range: 0 - 99 lbs. $5 Off Your $100 Mobile App Purchase double adjustable coilover shocks—so you can change the valving to meet your specific needs—along with a variety of spring rate options. 1970 - 1981 Camaro Shocks Set (QA1), Front Single Adjustable Coil-Over Pro Coil Shocks with Springs, Pair For your 70 - 81 model, QA1 offers its Pro Coil System with single adjustable shocks for the daily driver. The Qa1 coil over uses a pretty short coil spring which forces you to use a higher rate spring to support the cars weight. 12-inch heavy-duty combination square. QA1 has several coil-over kits designed for its drag and street shocks and struts. , 12 Inch QA1 US502 Adjustable Shock and Coilover Kit w/o Spring, 14 Inch Billet aluminum shock body 5/8" centerless ground, hard chrome plated, solid piston rod Deflective Disc Valving 3-step sealing system 18-position adjuster knob changes the rebound valving Allows. Please note: Moving the spring nut will not change the spring rate; it will only change the vehicle ride height. The mount length should be as close to the ….
Measuring for Coilover Shocks.
This is Garage Sale priced because the previous customer thought it was dirty. Find QA1 Coilover Springs 350 lbs. Available for 1967-69 Camaro, Firebird; 1968-74 Nova. Looking at updating the front suspension this fall/winter on my '66 Skylark 4-door hardtop.
Mastering Driveline Angles for Optimal Performance.
Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs; Coil-Over vs Torsion Bar: Suspension Upgrades for Classic Mopars; Compare: F-100 Upgrades - Crown Vic Suspension vs QA1's Suspension System; Considerations When Lowering Your Car: QA1 Coil-Over Shocks vs. QA1 15HTFB275 High Travel Coil-Over Spring, 15 Inch, 275lb Rate, Camaro. Re: Help me decide QA1 Coil Over kit with 350 or 450 lb. In trained athletes, the average restin. 94" free but both sets have a deflection rate of 160 lbs per inch. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing! QA1 High-Travel Coilover Springs. 3 VariShock Coil-Over Shocks Coil-Over Shock. Viking Performance Coil Over Springs For Viking, TCI, QA1 or any other universal coil over shock body using a 2. spring to support that weight! A great tool for figuring angles quickly is our part number 910-89409 from Deco. Lowered, Aluminum Body, Black Anodized, 350 lbs. we made custom brackets to lower the coilover cause it looked like the starsky and hutch mobile at first. The difference between the two spring height. GTR shock pistons have two holes, and you can choose pistons with various openings ranging from 0. These kits provide the highest quality performance characteristics for your Mustang II front end. Get the Best Performance with QA1 Double Adjustable Coil-Over Shock Kit with 14 in. Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs; Coil-Over vs Torsion Bar: Suspension Upgrades for Classic Mopars; QA1 offers bolt-in Rear Coil-Over Conversion Kits for 1964-1972 GM A-body vehicles. Find QA1 Mopar Rear Coilover Conversion Systems and get Free Shipping on Orders Over $109 at Summit Racing! Upgrade your classic Mopar A, B or E body car to a triangulated four-link design with QA1's Mopar rear coilover conversion systems. So I'm getting ready to order qa1 coil overs. rear axle weight, this kit includes all the necessary hardware and bracketry for a seamless installation. Summit Racing Part Number: QA1-ALN3855P. Restrained Spring Isolator See page 18 for more details TITAN KINETICS FMS FLS FLSS FHS TITAN TITAN *Data from 2019 ASHRAE Handbook.
Coilover Spring Rates: The Ultimate Guide in 2023 (With Charts).
To be 100% accurate in determining the spring rate you’ll need to. QA1 7HT250 High Travel Coil-Over Spring, 7 Inch, 250lb Rate made by QA1, for as low as $72. Spring mounted at roughly 42 Degrees from verticle= 450/. Drive Like A Pro with AccuTune. Part #COK101 - For Aluma Matic Shocks. These QA1 Pro Coil Adjustable Front Coil-Over Conversion Kits will do just that for you.
Which spring rate for front QA1 Coil over on '68.
Coilovers, and lbs of springs, springrate.
I run 200 on my truck and it is just right. Common sizes for off-road shocks are: 10″, 12″, 14″ and 16″. Coilover Spring Rate (lbs/in): 200 lbs. Explore the capital of France with MapQuest's interactive map of Paris. Are you looking for an easy way to stay up-to-date on the latest postage rates? With the ever-changing postal rates, it can be difficult to keep track of the most current information. 0 Technical Reference and Performance Handbook : 1979-1993 - Bentley Publishers - Repair Manuals and. The softer the spring rate the more weight transfer you will see. ) a) EIB GROUP BUY: Extended Length Shock Eye Paper Weights http://www . Find coil-over shocks and struts from top-brands, including Bilstein, Koni, QA1, RideTech, AFCO, and many others at Summit Racing.
1999 C5 Corvette Suspension Upgrade Time.
My car weighs 1937 pounds with the rear being 50 pounds heavier than the front. When used in tandem, QA1’s front and rear C10 coil-over conversion packages create a real force to be reckoned with on the road. Spring Rate, Natural/Black Powdercoated, Pair. The middle of the road weight will be set for your small block or LS applications, and the heaviest coils will be reserved for the big block motors.
1955 Chevy Bel Air Coil Springs.
tablE 1: 12-iNch-high Quick4 EQualizEr 36 chambEr SiziNg chart For a 25% trENch lENgth rEductioN m* 2010. Aldan coil-over shocks are manufactured in the U. Shop Now at the Guaranteed Lowest Price! QA1 Double Adjustable Coil-Over Shock Kit with 14 in. Lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. You get two adjustable coilover shock assemblies. That seems a little light to me but I have never ran coilovers on a C4. These kits include specially designed USA made mounting ….
Stay Informed with the Latest Postage Rate Chart You Can Print.
Spring rates: 150#/in to 3800#/in. View Product Front Pro Coil Shock System Springs. QA1 12HT275 - Powder-coated High Travel Coil Spring 12 in. Drag Race Coilover Shocks; Drag Racing Shocks; Menu. This enables the use of a longer spring, which allows for a lighter overall spring rate. The coil spring rates are usually stamped on the spring, either on top of the first coil (you'll have . Pro Shocks® C353 Tapered Spring Seat Coilover Kit, ACF1. Spring rate refers to the amount of weight needed to compress a spring one inch. I'm talking with QA1 as well but want to hear your thoughts. Find QA1 Coilover Springs 450 lbs.
QA1 Pro Coil Coilover Conversion Kits.
It's a classic car, not race car, so all panels are metal (and the car obviously isn't light). PART NUMBER: SUS-1116A Features. Preload at the coilover should be between ½” and 6” to prevent the springs from coming loose and to ensure proper droop, wheel rate and bottoming control. Check strange Engineering Coil Springs- 2" I. haha I run a 12" 175# spring at the moment. A 150 spring is a little on the heavy side for the back. What valvings are available with the tuning kit? For QA1 revalveable large body shocks, you can choose any valving between 0 and 13. Amy suggestions will be appropriated …. I’m not sure how to translate leaf spring to coilover spring ratings. Coilover Spring, High Travel, 200 lbs. Rear (Jag IRS) - QA1 Proma Star DD403 (4x) / Springs = 300 lbs. QA1 Pro-Drag Coilover Shock Kits. even with limiters and tight shocks, put the 350s in and cured that. Our strict adherence to precision tolerances and quality materials insure you will own the finest coil over shocks available. Also going to have the coils on a 30 degree angle. , 12 Inch QA1 US502 Adjustable Shock and Coilover …. Uses '79 - '81 Camaro spindles, openining the number brake options available. The package contains front upper and lower control arms, front sway bar, a rear 4-Link, and 4 HQ Series Coil-Overs for every corner of. Most people that do this conversion use the Fox coilover shocks: Fox 2. Item Details 1970-88 Monte Carlo, 1974-77 GTO/Ventura, 1975-79 Nova. Shocks feature a billet aluminum shock body. Sizing the spring to simply hold the car off the bump stops is only a tiny fraction of the math required to achieve the desired ride characteristics. Be helpful to know the installed height (eye to eye) of your shock mounts and the specs (compressed / extended lengths) of your current shock. 56 = a needed spring of 803lbs/inch. I'd opt for spring rates in the 550+ range instead of either of those anything from 550-750 would work well, depending on your intentions for the car. Coilover Spring Rate (lbs/in): 150 lbs. QA1 Mustang II Pro Coil Coil-Over System Double Adjustable Shocks. Coil over shocks have a threaded body for the lower seat/adjuster nuts and an upper retainor for the spring. 8mph in the 1/4 (lifting twice) 29. Tracks the road solid like it's on rails now.
Chevrolet Silverado 1500 2wd 1999.
Spring rate refers to the amount of weight that is needed to compress a spring 1-inch. Available in several spring rates to custom fit your project. Re: Changing to coil overs on the front of 71 Nova. Rate Springs, Front, Ford, Pair. #5 06-07-2021, 05:43 PM saltshaker. I am looking to get a set of front coilovers for my 69 Camaro. Speedway Motors is always focused on quality, which is why we don’t sell cheap QA1 Chevy S10 Coil Over Kits, we stock QA1 Chevy S10 Front Coilovers with high. Coilover spring rate for DRAG RACING!! Thread starter torchanniv03; Start date Feb 11, 2012; Feb 11, 2012 10-175 qa1 spring. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. This kit includes both QA1's front Pro Coil …. 8” of travel times pounds divided by 1. From the research I have do thus far, these should have heavier springs on the front. Aldan American recommends this spring rate for both aluminum LS- and small block-powered cars. According to the spring rate technical pages on the QA1 website, our current compression rate for our front springs is 29. Get a length of 1x1 tube, drill two 5/8" holes at the same distance as the ride height of the coilover you're going to use (a common rear coilover ride height is 13"). netcamaro-firebird-nova-front-coilover-shock-spring-qa1-single-adjustable-350-rate-1967-1968-1969. 5 tire cars chassis, suspension, and components. It does not make a difference if the spring free length is 12" or 15". I bought them from Speedway, part number 225-2254X with a B spring rate. Occupation: Retired electrician. Weights are with 3/4 tank and 160# driver.
Chevy C10 Suspension Kits.
solid axle), and the purpose of the vehicle (street driving, drag racing, road racing, etc. To give you a good starting point for choosing your spring rate, QA1 offers a few helpful charts that factor in vehicle weight and suspension types: Spring Rate Chart. Comparing a front coilover spring rate to a conventional coil isn't the same. region in France where the capital Paris is located. QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rods ride. For example, if you have a 200 pound-per-inch spring, it will only compress 1-inch when a 200-pound load is placed on the ….
Viking adj coil overs with 450lb springs.
The lower spring seat was steel/zinc plated, the upper seat was aluminum, with the shocks powdercoated, springs raw. You get two adjustable coilover. Find QA1 High-Travel Coilover Springs and get Free Shipping on Orders Over $109 at Summit Racing! QA1 coil springs are designed to withstand the high-stress levels of modern suspensions. The coilovers are unfortunately plagued by incorrect spring rate in the rear, poor sparse install and configuration notes, and minimal community . Shock Adjustability: Single Adjustable. QA1 Pro Coilover Systems MS402-10500C Coilover Kit, Pro Coilover System, Front, Single Adjustable, Ford, Pair. (The two ends should equal the total car weight. Mounted Length: 12" Shock Adjustability: Triple Adjustable. Well, you CAN drop it as much as few inches, but QA1 and ourselves only suggest 1 1/2" drop or you run a danger of bottoming the shock out. #GWS-501-10250 (250 spring rate) #GWS-501-10300 (300 spring rate) #GWS-501-10350 (350 …. Shock Angle 10°15°20°25°30°35°40°45° Angle Factor HOW TO SELECT THE SPRING RATE FOR INDEPENDENT SUSPENSIONS. I just bought some recently also but haven't installed yet. upr coiloverupr upper and lower. A treadwear rating chart is a matrix of numerical grades assigned to a tire based on the uniform tire quality grade standards. Now, I don't know what the motion ratio was stock, but I went and measured the current setup, and the motion ratio appears to be about. hmmmm i was told between 130 and 150 by a friend. excellent thanks Madman, does the same hold true for six speed cars . I've emailed a tech at QA1 and he said that either rate would be fine, although the 450s would be better for drag racing but the 550s. Once the spring and upper spring seat are in position, turn the spring seat collar up to take up any slack in the spring/seat in preparation for installation. The medium spring rate option offer great street-ability for cars that will mostly be used on the road. QA1 10 Inch Coil-Over Spring, 2-1/2 Inch I. Pro coilover systems utilize adjustable and …. 95 : AFCOPKG 93-02 F-Body AFCO Double Adjustable Drag Coilover Package (All 4) $2,399. For those on a budget, QA1 also offers this kit without the upper control arm—which will add 3-4 degrees of caster, while still providing ride height adjustability with coilover shocks. Front Pro Coil Shock System Springs. Coil-Over Chart (JPG) Coil-Over Mounting Guide (GIF) Guides & Documents. EXAMPLE: Straight Mounted Spring = 200 lbs. Free Shipping on orders over $149. (Thanks Keith ) And I just wanted to everyone know how great these things drive. QA1 coil springs are designed to withstand the high-stress levels of modern suspensions. Shrewd Spring Tariff for QA1 Stock Mount Coil-Over Methods; Chevy C20 Sprung System by QA1; Coilovers vs Lowering Springs; Coil-Over vs Torsion Bar: Suspension Updating for Classic Mopars;. Available in silver powder coated or chrome plated finishes, QA1's 1 7/8" I. Get the Best Performance with QA1 Rear Coil-Over Conversion System 1965-1972 Ford F-100 Truck R120-200 parts at JEGS. Spring Rate Range: 200 - 299 lbs. QA1 High-Misalignment Series Rod End Spacers.
How Much Shock Travel Do I Need?.
“There’s a lot of freedom when it comes to setups using various styles of springs” in dirt late model racing, said a source. That same assembly, when installed at a 45° degree angle would need to be a 450 lb. All Ford Mustang II cars, from 1974-1978, came with the same crossmember, control arms, spring pocket, rack-and-pinion, etc.
The Science Behind Dirt Late Model Suspension Setup.
QA1 | QA1 10HT500 High Travel Coil-Over Spring, 500lb Rate, 10 Inch.
What Spring Rate Do I Need?.
QA1: Spring Rate: Select Rate: See more specs. spring that is installed at 0° straight up and down (90° from the axle centerline) will support. experience with coil-over shocks can be attributed to using the wrong spring rate or incorrect adjustment of the shocks many settings. Variable rate springs help compensate for weight changes better than linear rate springs. Spring rate: 225 Ibs NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length - forever! Springs are coil wound of chrome-silicon wire, the strongest spring steel known. Spring Rate See more product details. 1963-82 Corvette QA1 Double Adjustable Front Coilover Kit for small block Part # GWSQ-6382-350. QA1 coil over spring rate information. Free Height: 7" Inside Diameter: 2. Each kit comes with QA1's proven single or double adjustable coilover shocks—so you can change the valving to meet your …. Enjoy a finely tuned suspension system with fewer coils and smaller wide diameter to increase your coil's travel distance. Find CHEVROLET CAMARO QA1 Coilover Kits and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile 250 lbs. If you’re looking to setup your car or truck with coilovers, give our team at Aldan a call 310-834-7478. EDIT This provides a data point for 6 . 162 Reaction score 67 Location Clovis, NM Apr 4, 2020 #1 I recently got back into the A-body game with another Scamp. , 10 Inch made by QA1, for as low as $59. Coil-Over Mounting Guide (GIF) Guides & Documents. For a rear coil-over suspension, the wheel rate is approximately 130% of the coil-over spring rate. Lifespan - 30,000+ miles for shocks. There is no magic one-size-fits-all solution when it comes to springs, and each car will require a different spring and spring rate. I have an LS1 with a T56 transmission. In No matter where you are in your adj range the spr rate will still be either 450# per in or 350# per in. Measure the weight the completed T-Bucket on a front and rear wheel. Coupling JEGS 64881 coil springs with coil-over shocks creates the ultimate suspension package for your vehicle. Dark Grey Chevron Snapback $26. These kits include your choice of QA1's proven single or double adjustable coil-over shocks so you can change the valving to meet your specific needs, along with a variety of high travel spring rate options. on the majority of street driven small block HDK builds, a 12" 300 lb rate or 325 lb rate spring does the job (Qa1 #12HT-300 or 12HT-325). Offroad Military Green Hoodie $40. x 12" Tall - Variable Rate 175/300 lb. I'm thinking of QA1 single adjustable pro coils front and rear. If the rate of the spring is linear (non-progressive), its rate does not changed as load is put on the spring. Lightweight Yellow Coated Springs. - Steve Smith, QA1 "The first thing we need to know when choosing a spring rate is the weight of the vehicle," Steve said. The spring rate chart below is a general guideline. 85″ collapsed (with 4-inch Superlift) Fox 2. On the flip side, aftermarket Mustang II front suspension systems come in different shapes and sizes. 5" Material Type: Steel: Finish: Powder Coated: Color:. Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs; Coil-Over vs Torsion Bar: Suspension Upgrades for Classic Mopars; Compare: F-100 Upgrades - Crown Vic Suspension vs QA1's Suspension System; Considerations When Lowering Your Car: QA1 Coil-Over Shocks ….
Coilover Spring Rate (lbs.
I am thinking of ordering QA1 coiolovers for my 78 Camaro. With this weight QA1 spring rate cart spring rate should be 500 in/lbs. Available in a chrome-plated finish, QA1's 2. Sits about a 5 inch drop, this setup gives you from 1-3 inches of drop from the coilovers alone. Springs for 1967-1986 C20, 1987-1991 R20 Chevy, GMC 3/4 Ton Trucks 2WD. Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs please refer to our spring rate chart or contact QA1 at 952-985-5675. If you decide on coil over suspension, go with a minimum 500lb Spring. Speedway Motors doesn’t sell cheap 1968. QA1 RCK52341 Rear Coil-Over Conversion Kit, 1964-72 A-Body, 175 Pound. The rear control arms are extended by 3/4″ to center the rear wheel in the wheel well. The main dilemma is when you want the vehicle super-low. Available in a variety of rates. 1969 Nova, LS1/4L60e, Bear brakes, ridetech suspension, AFX spindles, 69 ….
Coil over guys, what rate and length springs are you running?.
chrome-silicon spring; Guaranteed to stay within 2% of rate and length FOR LIFE; Shock lengths represent mounted length at ride height. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - …. For performance use you need a 600 to 650 coil to properly support the car and prevent hitting the bump stops all the time. Additionally, our coilovers offer adjustment of spring rate, which is the stiffness of the coil spring. Their website list many spring rates, and front end weights for these coilovers. For small business owners, accurate shipping costs can make or break your bottom line. ericnova72 · #12 · Feb 9, 2015. The springs are designed specifically for use with the QA1 coil-over shocks and the factory upper spring pocket. Our racing springs have a high rate of travel and are light in weight, resulting in a more linear spring rate. net Following the factory service information to remove rear shock absorbers and spring assembly. 1963-82 Corvette Viking Double Adjustable Front Coilover Kit for stock arms Part # GWSV-6382-T-350.
Muscle Car Handling Upgrades: Springs, Rates and Shocks.
com">Coilover spring rate for DRAG RACING!!.
Thread the aluminum lock nut (shoulder up) and the spring seat adjuster nut (shoulder up) down to the last thread - NO FURTHER. I go to the site and they don't offer Toyota parts. Free Shipping on Orders Over $149 QA1 Spring Application Chart (GIF) Coil-Over Mounting Guide (GIF) Guides & Documents. Moog 6452 is for everything else and are 843lbs-in. the aftermarket springs are 540-620-720/lbs-in. 4 UNIQUE USES OF QA1 INDUSTRIAL SHOCK ABSORBERS; QA1 Case Study: Coil-Over Shocks For Football Tackle Sleds; QA1 Case Study: Motion Control System; QA1 Case Study: Rod Ends & Linkages; QA1 Quarterly: Industrial & OEM Newsletter; Outdoor Power Equipment & Farm Machinery; ATV, UTV And Off-Road Component Fabrication; …. The ’03-and-later Panther- platform cars have an interesting front. The QA1 lowering kit is an all-in-one solution for anyone looking to upgrade the suspension of their 07-18 Silverado 1500 / Sierra 1500's. Product Line: QA1 Aluma Matic Coilover Shocks. It depends on what you are looking for. 0:1 conventional headed 509 ci w/ twin 88's. I also use QA1 12 way coil overs to control compression and rebound. SPRING RATE CHARTS The charts below are a general guideline for selecting spring rates. Unsprung Weight (lbs): Dimension A (in): Dimension B (in): Spring Angle (deg) Shock Ride Height from Extended Height (in): Calculate Spring Rate. Coilover Kit, Twin Tube , 450 lbs. 02 per hour before expenses on average, according to a survey of 995 drivers. With the replacement RideTech coil over installed, spring part number: 59100200 and shock part number: 24149999, you can see the dramatic difference in spacing between the spring …. Estimated Ship Date: Monday 10/23/2023. 75" Shock Adjustability: Single Adjustable. 3" Shock Adjustability: Single Adjustable. We offer choices from the best brands on the market such as QA1,RideTech,Pro Shocks. What is Spring Rate? Great question! Damien and Steve help you figure out what the best option is for you! Give the video a watch and let us know what you th. Comes with steel coilover sleeves for the shock eyes to fit 1/2" bolts or 5/8" bolts. Definition: Spring rate, also known as spring constant, is the constant amount of force or spring rate of force it takes an extension or compression spring to travel an inch of distance or, in the metric system of measurement, a millimeter of distance. Trying to decide between QA1 and Strange. QA1 Pro Coilover Systems GS401-10450C Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair Single Adjustable, 450 lbs. In the process of purchasing a rear 4 link system. 0 out of 5 stars Estimated Ship Date: Today. QA1 Coilover Spring Spacers 9004-110. Buy this QA1 Pro Single Adjustable Front Coil Over System with 450LB Spring Rate for your 1967-1973 Mustang from CJ Pony Parts. ) and get Free Shipping on Orders Over $109 at Summit Racing!.
65 Mustang Coupe Front Coil Spring Rate????.
I would like to know what settings you all have in the front and back. 19" free and the OO coded springs are 11. Wrench is constructed out of steel and features a black anodized finish. Recommended Front-End Weight: 1,901-2,000 lbs. With postage prices changing frequently, it can be challenging to keep up with the latest rates. Sway Bars, Shocks, Springs and Coil Over Kits; Rear Suspension and Subframe Connectors: Performace Brakes ; Replacement Components : 1982-1992 Firebird. Shock Adjustability: Double Adjustable /kit. made by QA1, for as low as $74. Order ships free when this item is included and exceeds $149. QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. spring that is installed at 0° straight up and down (90° from the axle centerline) will support 1450 lbs. 450 pound springs were chosen at the front, and 175's in the rear. The system includes single, double, or MOD series coil-over shocks in a variety of spring rates. QA1 has been the market leader in front coil-over conversion systems for years with its highly popular adjustable struts and the addition of the Rear Coil-Over. Ultra Lightweight Black Coated Springs. Drop with Drop Spindles; View Details. As you can see from the accompanying chart, courtesy of QA1, the correction factor increases as the angle increases to the point that if a coilover is mounted at 45 degrees, its spring. I weigh 160 and my wife weighs 110 pounds and we find the ride firm but comfortable. Free Height: 10" Inside Diameter: 1. And just for comparison I have a 3700+# Capri (with me in it) a Dart Iron Eagle block, air to water intercooler, large 88mm turbo, a/c and power steering on the front of it. seemed prety stable at 40-50 mph on a dry, rutted farm road. It has a 4-link rear and tubular upper and lower control arms on the front with QA1 …. SKU: Shock Adjustability: * Spring Rate: * Current Stock: A V6 or Straight 6 motor will generally use the lighter spring rates. Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs. For a rear coil-over suspension, the wheel rate is approximately 110% of the coil-over spring rate. The car will hopefully see some track time in the future so performance is my main concern.
change front coilover spring rate 350 to 500.
Physical Address 977 Hyrock Blvd. First, determine the spring needed for the application if the spring is installed straight up. BUT, that's been known to understeer. Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs; For additional information, please refer to our spring rate chart or contact QA1 at 952-985-5675. Single adjustable front coilover kit with 350 spring rate. Call Now (619) 722-8555 7am - 4pm PST, M-F. Choosing a spring rate for a QA1 Pro Coil bolt-in coil-over system is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring …. AUD - Australian Dollar QA1 Coilover Rear Suspension Kit Double Adjustable F-100 1965-1972. ) Found some basic generic info from QA1: "WHAT IS SPRING RATE? Spring rate refers to the amount of weight . QA1's Heavy Duty Pro Rear Systems are the perfect solution to add coilovers to your car or truck. QA1 GS401-10350A Pro Coil-Over System, Camaro, Firebird (1) ….
Coilover Spring Rate Calculator (Dual Rate Spring Calculator).
Find QA1 Coilover Springs 300 lbs. This 20” is the LENGTH OF THE SHOCK as it is installed in the car at ride height. The parts are specifically designed to match your Mustang’s OEM spring and shock fitments for the Ford Mustang (1964 – 1973). Fitment includes the 1955-1957 Chevy Bel Air, Two-Ten & One-Fifty. Find QA1 Coilover Springs 600 lbs. Most Small Blocks have a total front end weight of 1700-1950 lbs. Then, to compensate for installations at different angles, use the chart above. Shop Now at the Guaranteed Lowest Price! JEGS Fall Sale Up To $170 Off Select Products! Spring Rate: 200 lbs. Rate Springs, Front, Chevy, Pontiac, Pair. The chart below is a general guideline for selecting spring rates for QA1's GM Front Pro Coil Shock Systems. QA1 springs are strong, consistent, have a long life and lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. Spring rates may vary depending on applications, usage, and personal preference. Late Model Restoration answers some of the top Fox Body & SN95 coilover springs conversion questions to help you get the correct kit for your 1979-04 Mustang! Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions. The coilover rear springs are behind the axle which changes the leverage. What rear coilover spring rate do I need? 1971 Challenger 4-link rear sus. The angle that the coilover assembly is installed at has a large effect on what the spring rate will need to be. Down Travel Suggestions: 9” droop max, otherwise springs too soft and the vehicle will not handle well. The best spring rate will vary depending on your application, usage, and personal preference. t; Start date Mar 12, 2016; Messages 2,800 Reaction score 60 Location Sudbury, Ontario. Coil over shocks are $169 each for QA1's and $39 per spring. Recommended Front-End Weight: 1,701-1,800 lbs. It took us a lot longer to remove the old components than to install the new ones. In a dual rate coilover setup, the softer spring should not be less than 70% of the stiffer rate. “Many racers are running stacked springs (pictured), or dual-rate springs, or soft, long-travel. Q04 E,7 > 36 Q4 p E 36 lp c N …. Calculating Spring Rate for QA1 Stock Mount Coil-Over Systems; Chevy C20 Suspension System by QA1; Coilovers vs Lowering Springs; Coil-Over vs Torsion Bar: Suspension Upgrades for Classic Mopars; QA1 now offers bolt-in Rear Coil-Over Conversion Kits for 1979-2004 Mustangs. Find QA1 Coilover Springs 200 lbs. QA1 Sway Bar Kit Front 1-3/8" F-100 1965-1972. See bottom of page 1 for Jaguar IRS data. Spring Rate, Each Part Number: EIB-14002500450S 5. Ford 9 Inch Rear End; Fabricated 9 inch Housing; 9 Inch Pro Mod Rear End; 9 Inch Dragster Rear End;. Suspension Height Adjustment: 0. Features: Spring outside diameter: 3. You need to know how tall the spring is and how much it will compress. Step 4, Tum cylinder and follow direction③ to raise or direction ④ lower. Find 1970 CHEVROLET CHEVELLE QA1 Coilover Kits and get Free Shipping on Orders Over $109 at Summit Racing! $5 Twin-Tube, 0. 14" springs are also known to bind up on coil over conversions. Recommended Front-End Weight: 1,801-1,900 lbs. Coilover spring selection is easy with the help of RideTech's online Spring Rate Calculator tool. Each spring is guaranteed to be within five percent of its advertised rate.
Front Coilover Kits (select your spring rate).
They may be a common spring size, and you might be able to find a softer spring out of a circle track catalog. 5″ ID coil over spring – SILVER ONLY: Replacement standard coil springs for coil over shocks, billet or steel, front or rear. Using the chart below, we go to style code “A”, find . , 12 Inch made by QA1, for as low as $70. QA1 MG501-10400A Mod Series GM Front Pro Coil System, 400 lb. Regardless of the spring rate you are looking for and the application, we have the ones you need to improve your street rod, muscle car, or race car’s handling characteristics and. It also makes replacement spring perches to assure a reliable installation. Make sure to select the correct spring height to match your coil-over shocks. We do sell the QA1 bolt on rear coilover, RCK52xxx. Part #COK100 - For Proma Star and Ultra Ride Shocks. Common setups should use 1-2″ of preload in the front …. Coil Springs Guide/Document (255SM10) …. Single Adjustable ''R'' Series Strut. Table A is used to convert Code letters to part numbers. All QA1 springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. Knowing the uncompressed free length of the spring and the corner weight of the vehicle, you can calculate the perfect spring rate. I used 1000lb springs with qa1 ds301 shocks. Fox and SN95 Mustang with an MM Torque-arm and coil-overs. 00 : 959213 93-02 Camaro/Firebird Vogtland Springs : $248. 5 ID Silver Coilover Spring: Brand: Wide Open Design: Spring ID:. Are you looking for the latest information on postal rates? If so, you’ve come to the right place. Rate Your Music is an online community of people who love music. If using a coil over on a double A arm you need to start messing with leverage ratios. Find 1955 CHEVROLET BEL AIR QA1 Coilover Kits and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! Twin-Tube, 0. Made a special chrome silicon spring material. Ideally you want 2 1/2 to 3 inches of compression space or stroke for the shock absorber so your shocks have adequate room to do their job. The middle of the road weight will be set for your small block or LS. Our team has been setting up chassis and determining spring rates for drag cars, custom chassis, as well as stock and modified cars and trucks for over four decades. After drilling a single hole, the lower coilover mount was installed onto the rearend. 95 (8) Ships Today FREE Shipping Lowest Price Guarantee. Late Model Restoration answers some of the top Fox Body & SN95 coilover springs conversion questions to help you get the correct kit for your 1979-04 Mustang! Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install …. Now, front springs coded GC and GB were rated at 435 lbs per inch of deflection rate but the GC springs are 15. If you can weigh the front end, you can go on and measure the shock length at ride height and determine the correct spring rate to allow the . Lakeville, MN [January 19, 2012] - QA1 is excited to introduce its all new bolt-in Rear Coil-Over Conversion Kits for Ford Mustangs and GM A-Body and F-Body vehicles. In a drag racing application, you want to narrow down the rate of the spring to the softest one you can run without having any coil bind. The rear rides good, however the front hits very hard over sharp bumps. Engineered to make your classic Ford truck handle like a dream while giving you ride height adjustability to dial in the perfect stance. I typically use a 125 spring on cars say 3200 lbs and under. QA1 MOD Series Pro Coilover Systems MG401-10350B. 13" and both ends are square to ensure a proper fit. Shop QA1 Coilovers and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists.
Relax and Unwind at the Top.
Variable rate 12 inch spring – 130 /250 In the same amount of travel, the spring rate picks up an additional 90 lbs. Spring rate is how much the spring compresses as weight is added to the springs. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App …. Lowered, Aluminum Body, Black Anodized, 450 lbs. Are you trying to select a Pro Coil front coil-over system for your GM muscle car but aren't sure what the best spring rate is? Damien and Trevor are here to. i would get a adjustable 1s i have a friend that did . The QA1 springs are 10-250 which from what I see have the spring rate of 250 lbs. Pair them up with a set of custom-rate coil springs, heavy-duty Chromoly rod ends, and tubular chassis components for a one-of-a-kind suspension setup that you’ll only get from QA1! QA1 Rear Pro Coilover Conversion Systems RCK52337 Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 175 lbs. A 300# spring that is compressed 3" under load is supporting 900#. The car weighs about 2400# and the springs are: Rear springs, AFCO CR23200 (200# rated 188#@13*) and the front springs AFCO CR23325 (325# rated 300#@13*) Dave W. I run the QA1 coil-over conversion setup on mine. Gain the perfect stance for your 1963-1987 Chevrolet C10 with QA1's 52611-D650 Complete Front Upper and Lower Control Arm Conversion Kit with Double Adjustable Coilover, and including three Spring Rate choices. ) You can calculate spring rates with math and …. i run a 14 on my LX since im not running a conversion its a threaded body QA1. The firm spring option is geared toward track-oriented cars, further reducing body roll under hard cornering and …. I have a 2nd gen, V6 extended cab and the stock coil springs range from about 650 to 750 lb/inch. Buy in monthly payments with Affirm on orders over $50. For further advice on spring rates, visit our coilover application guide! Filter by: Complete QA1 Double Adjustable Rear Coil Over Kit - 110 Lbs (79-04) #QA1-RCK52344. Shock Adjustability: Double Adjustable. In the pictures they appear to have the same springs on all 4.
Coilover Spring Length (in.
$5 Off Your $100 Mobile App Purchase Coilover Spring Rate (lbs/in): 750 lbs. Coil Springs are offered in 8" and 10" free lengths. Tire manufacturers assign a treadwear rating to each tire model, not as an absolute test of strength but as a com. The amount a golf ball compresses affects its speed and flight characteristics.
QA1 Coilover Springs and Shocks installed.
No Warranty, No Returns on Garage Sale Items QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length - forever! Springs are coil wound of chrome-silicon wire, the strongest spring steel known. The high travel springs included in this QA1 Double Adjustable Front Pro Coil-Over System offers your 1965-1966 Mustang the choice of 350lb, 400lb or 450lb spring rating for the ultimate adjustability. Spring weight doesn't play in this equation at all. Designed for any vehicle with a 1700-2600 lbs.
I know that the stock front end weight (weight on the front springs) of a G-body is 2150 lbs and the SS spring rate is 420 lb/in. 8" Rear Coil Over Shock Mounting Kit Double Adj C209 (Street / Strip) (2) $759. I believe that the new springs are 365/465 lbs. Less preload gives you better handling and less sag when adding weight but reduces how well the wheel droops over bumps. 0 Pro Series Emulsion Shock # 980-02-000-A 5″ travel 16. the weight jackers in theory are attractive, but from real world results, they aren't for a drag setup. The QA-1 is a newer option in the Corvette market. Does the default "bolt-in" QA1 coilover setup work? Yep, but it's not a perfect install, and it'll take a lot of miles to wear the shocks out anyways. 1) I'm using QA1 shocks with coil overs @ 400# front. (QA1 Shocks GS507-09650D, GS507-09550D, GS507-09450D) The QA1 Pro Coil System set includes high performance 2. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get 10% back - Get Details! QA1 High-Travel Coilover Springs 12HT150B Coilover Spring, High Travel, 150 lbs. All coil springs are linear unless they are dual rate. Coilover shocks allow you to adjust the ride height by threading the spring perch up or down on the shock body and allow for easy swapping of different spring rates. Most rideshare companies collect a commission as well as a booking fee.
Fox Body / SN95 Mustang Front Coilover Guide.
Wrench is compatible with 26, 26A, 26V, 28, 28A, 28V, 50, 51, 60, and 62 Series Shocks. STREET/TRACK spring rate pairings Here’s what people have reported using for springs to go with the QA1 (and similar) coil over shocks: SPRING RATES lbf/in LOCATION LENGTH(in) STREET/TRACK TRACK ONLY Front 10” 250 300 350 375 400 450 Rear 12” 225 250 300 325 350 400 FRONT SPRINGS: (FFF is the desired spring rate. List and review the concerts you've attended, and track upcoming shows. QA1 MG507-09550D Mod Series GM Front Pro Coil System, 550 lb.
Lowering Your Car: Coilovers vs.
QA1 10HT500 High Travel Coil-Over Spring, 500lb Rate, 10 Inch. Shop Coilover Kits at Summit Racing.
How To Select The Correct Spring Rate For Your GM Muscle Car.
Keith '70 El Camino SS 396 L78 Chevy High Performance Feature. It relocates the coilover slightly inboard vs the standard shock. Order the "Coilover" tops and get QA1 2. I've had qa1 shocks in the past on race cars that developed leaks pretty early in their use and it kinda steers me away from them. heaver spring for spring rates 400 lb. QA1 GMP Coil-Over Spring made by QA1, for as low as $97. KW Variant 3 are designed for serious performance. The new coilover assembly attaches to the factory mount by way of an ingenious lower bracket that utilizes the existing lower factory shock mount hole and a second fastener that required a new. We've used lighter springs in g-bodys that really helped hook on the street, but at the track it was hard to control the front because the lighter spring really wants to throw the front up fast. per inch Every inch of compression adds another 130 lbs. Front and Rear Suspension : Wilwood; Select your Spring Rate Single Adjustable QA1. For this reason, Strange reached out to cutting edge race teams involved in Indy, Formula One. 5) Devide the 12 by 3 like this: 12 / 3 = 4”. these are ok, but i think i'll. 5" of travel, and my truck weighs approximately 1250lb of sprung weight so in order to get in the middle of the ….
QA1 Pro Coil Front Coilover System Single Adjustable With 450LB.
5” spring of the appropriate length and spring rate to get rolling. 32" while the GB springs are 15. Coilover Spring Rate (lbs/in) and get Free Shipping on Orders Over $109 at Summit Racing! Coilover Spring, 400 lbs. Now you could use the 550 spring which would be a little stiffer, handle a little better and you could get a 2" to 2 1/2" drop and have plenty of shock travel. Established in 1981, Aldan American is the professional’s choice for high-quality performance suspension system upgrades and parts, including shock absorbers, coilovers, and suspension kits, designed for racing, street-performance, and vehicle-specific applications. The car has a better feel and more enjoyable to drive. Available in 7”, 9”, 10”, 12” and 14” lengths, these new high travel springs are silver powder coated and ground at both ends for straight, consistent and accurate operations. Technical Support Line: (952) 985-5675 Email: Info@QA1. Find QA1 Coilover Springs and get Free Shipping on Orders Over $109 at Summit Racing! Coilover Spring, High Travel, 200 lbs. Aluminum Shock Twin Tube 16 Series Small Body 9 Inch Comp 3/Reb 4-8. from lightweight, high-strength 6061-T6 billet aluminum. The combo that I replaced was 300 lbs.