QA1 78-96 GM B-Body Pro Rear Coil-Over System - MOD Series - 12in x 200lbs/in - Aluminum - RCK52452

soft or firm compression and rebound valve packs also available. Once the desired valving is in place, the unique double adjustable design, with adjustable low-speed bleed, allows for fully independent control over the compression and rebound characteristics. With all these adjustability options, the MOD Series shock achieves an expansive force curve capability and an unprecedented level of tunability. The shock also features mounting adjustability to accommodate a variety of vehicles and mounting configurations. The nitrogen-charged canister is available in a piggyback or remote configuration for ease of installation in tight areas, and the base eyelet is indexable, so you can unbolt it and reattach it at the angle you need for the best shock and canister placement. Like all QA1 shocks, the MOD Series shock is 100% dyno tested and serialized and proudly made in QA1's Lakeville, Minnesota facility.

This Part Fits:

Year	Make	Model	Submodel
1978-1983	Buick	Estate Wagon	Base
1978-1981	Buick	LeSabre	Base
1985	Buick	LeSabre	Collector's Edition
1978,1982-1985	Buick	LeSabre	Custom
1985	Buick	LeSabre	Estate Wagon
1979-1985	Buick	LeSabre	Limited
1982	Buick	LeSabre	Limited Edition F/E
1978-1981	Buick	LeSabre	Sport
1992-1995	Buick	Roadmaster	Base
1996	Buick	Roadmaster	Collector's Edition
1991-1995	Buick	Roadmaster	Estate Wagon
1996	Buick	Roadmaster	Estate Wagon Collector's Edition
1992-1995	Buick	Roadmaster	Limited
1996	Buick	Roadmaster	Limited Collector's Edition
1986-1992	Chevrolet	Caprice	Base
1978-1996	Chevrolet	Caprice	Classic
1986-1990	Chevrolet	Caprice	Classic Brougham
1978,1981-1982	Chevrolet	Caprice	Classic Estate
1978-1981	Chevrolet	Caprice	Classic Landau
1993-1994	Chevrolet	Caprice	Classic LS
1987-1990	Chevrolet	Caprice	Classic LS Brougham
1991-1993	Chevrolet	Caprice	Classic LTZ
1979-1980	Chevrolet	Caprice	Classic Sport
1978-1985	Chevrolet	Impala	Base
1981-1982	Chevrolet	Impala	Estate
1978-1979	Chevrolet	Impala	Landau
1979-1980	Chevrolet	Impala	Sport
1994-1996	Chevrolet	Impala	SS
1978-1992	Oldsmobile	Custom Cruiser	Base
1978-1983	Oldsmobile	Delta 88	Base
1980-1981	Oldsmobile	Delta 88	Holiday
1978-1985	Oldsmobile	Delta 88	Royale
1980-1985	Oldsmobile	Delta 88	Royale Brougham
1984-1985	Oldsmobile	Delta 88	Royale Brougham LS
1978-1981	Pontiac	Bonneville	Base
1978-1981	Pontiac	Bonneville	Brougham
1978-1981	Pontiac	Bonneville	Safari
1978-1981	Pontiac	Catalina	Base
1978-1981	Pontiac	Catalina	Safari
1983-1986	Pontiac	Parisienne	Base
1983-1986	Pontiac	Parisienne	Brougham
1987-1989	Pontiac	Safari	Base

Please note product may vary from image, and some parts are special order. If delivery time is a concern, please contact us for stock status before buying.​

About - QA1

Since 1993, QA1 has been an industry leader in High Performance Suspension and Driveline for the automotive aftermarket and various other industries.

QA1 specializes in high-performance suspension components, including shock absorbers, rod ends, spherical bearings, struts, springs, ball joints and other related items. With products to fit a wide variety of applications, they have solutions for the circle track, drag racing, street performance, and street rodding markets.

Coilovers-

​From street to track, seamlessly adjust for any desired performance level. Coilovers deliver a perfect stance and look for your ride. With trusted USA-made quality, backed by a best-in-class warranty, they are a simple, yet significant upgrade for your vehicle.   

Springs- 

​QA1's Pro Coil Systems use uniquely-wound springs specific to various makes and models. These high travel springs are designed for immediate response, increased stability, and enhanced cornering abilities. Durable silver powder coat finish.

Carbon Fiber Drivershafts-

​Changing track conditions don't have to affect your performance. That's why QA1 offers two carbon fiber driveshaft options for super late models, limited late models, and Wissota and IMCA dirt late models. While both provide unmatched performance on any track, they each have their unique features designed to provide extra benefits in specific conditions. Our 3.2'' XMA style driveshaft takes advantage of rough conditions, providing extra alignment to avoid binding. Specifically engineered for tacky or rough conditions, the 3.2" dirt late model carbon fiber driveshafts offer extreme U-joint misalignment (XMA). The tube on this shaft has a higher torsional stiffness that results in less twist, which is great for heavy, fast, or rough tracks where traction isn't limited. The XMA style provides more U-joint misalignment than other designs on the market, and this prevents binding near the pinion yoke, allows more rear suspension articulation and provides more clearance under deceleration, which is especially critical when the car is "on the bars" during corner entry. The driveshafts have a uniform wall thickness created by optimum fiber lay up that ensures high RPM stability as well as extreme torque capacities. A thoroughly engineered surface protection is used to withstand extreme racing environments and provide a worry-free performance. The forged yokes are precision CNC machined and are specially developed for QA1's 11 step bonding procedure that ensures a better balance and minimal material waste. All QA1 driveshafts are precision balanced, track tested and proven. They are lighter, stiffer, stronger and safer than steel or aluminum driveshafts, and available in a variety of lengths and with or without a slip yoke. Custom lengths are also available. Made in the USA.​

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