UMI Performance 67-72 GM A-Body Spring Kit Factory Height E318 RRC and Rock Crawling rear

RRC and Rock Crawling rear bumpers and tire carriers

Chevrolet: Caprice 66 - 69 7 L Engine

all backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty

5” coilover shocks featuring a remote reservoir (with CDC Valve) for exceptional cooling properties and ICON-engineered Eibach coil springs for superior vehicle “feel” through the range of travel

Surface area is also increased by 69-percent over stock to make the most use of the air flowing through your Silverado's grill

UMI Performance 67-72 GM A-Body Spring Kit Factory Height E318 RRC and Rock Crawling rearA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. UMIs springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb in rate. The rear springs are