QA1 Pro-Coil Shock Kit - Twintube - Single Adjustable - Shock - Rear - GM Full-Size Truck 1963-72 RG30003S these fittings are large bore

these fittings are large bore and radiused on the inlet side for optimum flow

easy to use products at affordable prices

Sierra 1500 Classic 2007

Chevrolet: K30 77 - 85 4

the Super Sucker will require a change in the size jet currently being used

QA1 Pro-Coil Shock Kit - Twintube - Single Adjustable - Shock - Rear - GM Full-Size Truck 1963-72 RG30003S these fittings are large boreLooking 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