QA1 Rear Coilover Conversion Kit - Double Adjustable, Firm Ride, 250 lbs/in Rate - 1975-1986 Chevrolet C10, Ford 9 in. whiteline-trailing-arm-bushing 4 Kg/mm and 6 Kg/mm

4 Kg/mm and 6 Kg/mm respectively

1993 Mercedes-Benz SL320 RWD (R129)

bolt-on fitment — for the 2011-2018 Toyota Sienna at a price that undercuts the top-tier Pro Plus and Executive kits

2013 BMW 128i 1 Series AWD (E82/E87)

QA1 Rear Coilover Conversion Kit - Double Adjustable, Firm Ride, 250 lbs/in Rate - 1975-1986 Chevrolet C10, Ford 9 in. whiteline-trailing-arm-bushing 4 Kg/mm and 6 Kg/mmWith 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