QA1 Silverado 1500 Pro Coil Double Adjustable Front Coil Over Kit; 650 QA1 Shock Absorber And Coil Spring Assembly GS508 10650C QA1 GS601 Pro Coil Shocks and Strut, 18.75 12.5 Ext Comp, Camaro QA1 Shocks, Coilovers, Springs & Suspension Parts CARiD QA1 Front Coil Over Setup. Shocks, Springs, Thrust Washers and More QA1 Coil Over Shock Kit Pro Coil Twintube Single Adjustable Fron. QA1 now has GM Pro Coil Systems available for your 1963 1965 Buick Riviera. They offer fully adjustable ride height and valving control. Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way. They also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the American made lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. Adjustable Pro Coil System Features: Available in independent compression and rebound double adjustable and simultaneous compression and rebound adjustable, Lightweight Billet Aluminum Coil Over Shocks, High Travel Springs, Easy, Bolt In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs. Up to 2 of ride height adjustment allows you to dial in the perfect stance. Achieve the ultimate balance of ride quality and performance with simultanious adjustment of rebound and compression valving. Easy bolt in installation that works with your factory or upgraded QA1 tubular control arms. Limited Lifetime Warranty for peace of mind. Proudly made in the USA Attributes: Brand Name: QA1 GTIN: 00806990144027 Active or Passive Suspension: Passive Adjustable Compression: Yes Adjustable Rebound: Yes Adjustable Ride Height: Yes Assembled: No Grade Type: Performance Internal Construction Type: Dual Tube Manufacturer Part Number: GS508 10650C Remote Reservoir: No Spring Color: Silver Spring Material: High Tensile Chrome Silicon UPC: 806990144027 Extended Information: Country of Origin: US Emissions : Emissions Compliance Exempt Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 25 x 10 x 6 inches Weight: 28. 476 POUNDS PDF: