QA1 Rear Coilover Conversion Kit - Single Adjustable, Soft Ride, 170 lbs/in Rate - 1975-1986 Chevrolet C10, GM 10 Bolt eibach-protective-spring-bag The KSport Circuit Pro 3

The KSport Circuit Pro 3 Way Adjustable Coilover Kit is the top of the KSport track-day ladder for the 2008-2017 Mitsubishi Lancer

1985 Volkswagen Jetta 16V MK2 (A2)

2021 Lexus IS300 RWD (ASE30)

2011 BMW 3 Series Sedan (E90)

QA1 Rear Coilover Conversion Kit - Single Adjustable, Soft Ride, 170 lbs/in Rate - 1975-1986 Chevrolet C10, GM 10 Bolt eibach-protective-spring-bag The KSport Circuit Pro 3With this all new, engineered from scratch rear system, 1975 1986 Chevrolet 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