QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 12 Bolt - GM Full-Size Truck 1973-87 1950596 Howe used half the material

Howe used half the material of a billet aluminum mount and more than doubled the strength at the same weight

improved combustion efficiency

1988-1993 Chevrolet K1500

Sky Jacker

QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 12 Bolt - GM Full-Size Truck 1973-87 1950596 Howe used half the materialWith 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