QA1 Rear Coilover Conversion Kit - Single Adjustable, Medium Ride, 200 lbs/in Rate - 1973-1974 Chevrolet C10 Pickup, GM 10 Bolt bilstein-m-9100-bump-stop-monotube-suspension-bump-stop Every kit is extensively tested

Every kit is extensively tested on the AGT20 chassis and refined until it balances ride quality with performance — the reason tC coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

1975 GMC C25

8L (E30) with a spring kit that has been developed specifically for your vehicle and designed to fit your original shocks to achieve a slightly lowered look

2004 Mercedes-Benz SL

QA1 Rear Coilover Conversion Kit - Single Adjustable, Medium Ride, 200 lbs/in Rate - 1973-1974 Chevrolet C10 Pickup, GM 10 Bolt bilstein-m-9100-bump-stop-monotube-suspension-bump-stop Every kit is extensively testedWith this all new, engineered from scratch rear system, 1973 1974 Chevrolet C10 Pickup 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