QA1 Pro-Coil Shock Kit - Twintube - Double Adjustable - Shock - Rear - GM Full-Size Truck 1963-72 Castrol Unique Control Pack Harness Replaces

Unique Control Pack Harness Replaces Stock Body Harness

The STB018 connects the strut mounts to reinforce unibody and suspension

Vehicle Applications: Ford 99-04 F250/350 Super Duty 4WD Stock height to 6" lift

Rust Preventative

LED dash light for system status and low fluid warning

QA1 Pro-Coil Shock Kit - Twintube - Double Adjustable - Shock - Rear - GM Full-Size Truck 1963-72 Castrol Unique Control Pack Harness ReplacesLooking to keep your factory truck arms, but still want coil overs for adjustable ride height? QA1's C10 bolt on rear suspension system is designed to convert trucks originally equipped with a coil spring rear suspension to coil overs. This system integrates adjustability into multiple areas so you can truly fine tune the geometry to create the perfect performance after lowering. , , By converting the coil spring rear suspension to adjustable coil