QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 10 Bolt - GM Full-Size Truck 1973-87 86030M 400 in Bore

400 in Bore

By precise shaping of the sealing wall of both the perch and cylinder body

19-1/2 in Center to Center 3/8 in Thick

GM F-Body 1970-1981

QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 10 Bolt - GM Full-Size Truck 1973-87 86030M 400 in BoreWith 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