QA1 Suspension Parts, Shocks, Coilover Springs Summit Racing Coilover Spring and Shock Assembly Shock Gm C O S Adj 9 12.8 Stud T Bar QA1 US402 Adjustable Shock and Coilover Kit w o Spring, 12 Inch QA1 Suspension Parts, Shocks, Coilover Springs Summit Racing. Product Overview QA1's rear drop kits are the perfect solution for lowering the rear suspension of your 2007 2018 Silverado Sierra 1500. Our fully bolt in kits include powder coated shackles, hangers, and QA1 Stocker Star shocks, ensuring hassle free installation and superior ride quality. Achieve a sleek, sporty look for your truck, matched with an incredible ride quality. Double Adjustable Shocks Take your Silverado's performance to the next level with QA1 double adjustable shocks. Perfect for both street and track use, double adjustable shocks are famous for their independent rebound and compression tunability, giving you exceptional handling and control for finer control over your suspension. Rear Shackles and Hanger KitsQA1's Rear Shackle and Hanger Kits are the ultimate solution for lowering the rear of your truck without compromising ride quality. Made from heavy gauge steel with a powder coated finish and top notch hardware, our kits guarantee long lasting performance in any driving conditions. Easy, Bolt In InstallationOur commitment to thoughtful product design is evident in every fully bolt in kit we produce, which guarantees a hassle free installation process. Best In Class Lifetime WarrantyRegister at QA1. net warranty for lifetime coverage of your QA1 shocks. Made in the USAQA1 truck suspension is proudly made in Lakeville, Minnesota. Fitment NotesAxle U bolts not included Requires use of QA1 spanner wrench T114W or T115W Quality components Adjustable shock valving Easy, bolt in installation Best in class warranty Made in the USA Attributes: Brand Name: QA1 GTIN: 00806990170279 Bracket Color: Black Bracket Material: Steel Bushing Color: Black Bushing Material: Polyurethane Bushings Included: Yes Grade Type: Performance Instruction Manual Included: Yes Manufacturer Part Number: RDK52627 Maximum Drop: 6 Mounting Hardware Included: Yes Shocks Included: Yes Spring Eye Bushing Included: No UPC: 806990170279 Extended Information: Country of Origin: US Emissions : Emissions Compliance Exempt Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 20 x 16 x 11 inches Weight: 41. 4 POUNDS