QA1 RCK52366 QA1 Rear Pro Coilover Conversion Systems Summit Racing QA1 RCK52452 QA1 Rear MOD Coilover Conversion Systems Summit Racing QA1 R220 170 QA1 1965 72 F 100 Rear Coilover Conversion Systems QA1 Coilover Overhaul Kit 52341 S400 Blow By Racing QA1 RCK52337 QA1 Rear Pro Coilover Conversion Systems Summit Racing. With this all new, engineered from scratch rear system, 1973 1987 C10 owners can add modern performance to a pickup that was designed for utility all without removing the bed of the truck. QA1 engineered a unique bolt in torque arm design that maximizes performance without the inherent binding issues of other 4 link systems. This provides superior control over suspension movement, resulting in a smooth ride and great handling characteristics. Dialing in the stance will be easy with the adjustable coil over system ? 4" to 7" of adjustment below stock can easily be achieved. Pair this rear system with QA1's front system to have ride height adjustability on all four corners, giving you that perfect level stance. Everything you need is included, all the way down to the hardware. All components included in these systems are proudly made in QA1? s Lakeville, Minnesota facility. All QA1 shocks are 100% dyno tested and serialized. QA1 uniquely engineered to enhance the performance of your vehicle Ride height adjustability Adjustable shock valving options for all driving styles Easy bolt in install Best in class warranty Made in the USA Attributes: Brand Name: QA1 GTIN: 00806990156402 Control Arm Color: Black Front Shock Type: None Front Sway Bar Type: None Grade Type: Performance Manufacturer Part Number: R232 170 Rear Shock Type: Double Adjustable Rear Sway Bar Type: None UPC: 806990156402 Universal Or Specific Fit: Specific Extended Information: Country of Origin: United States Emissions : Emissions Compliance Exempt Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 62. 5 x 14 x 9. 5 inches Weight: 56 POUNDS PDF: