QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 12 Bolt - GM Full-Size Truck 1973-87 ididit Fit Standard Slotted Quarter Turn

Fit Standard Slotted Quarter Turn Fasteners

2019-2021 Chevrolet Silverado 1500 Crew Cab Pickup

The best standard port location head available for competition big-block Chryslers Intake ports are raised

Only one valve spring can go there and come back alive

Air Pressure Holds Up Valves While You Work

QA1 Rear Suspension Kit - Single Adjustable - 200 lb./in Spring Rate - Steel - Black Powder Coat - GM 12 Bolt - GM Full-Size Truck 1973-87 ididit Fit Standard Slotted Quarter TurnWith 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