UMI Performance 2" Lowering Suspension Spring Kit 4 Springs BlackGM G-Body 1978-88 - Kit Valve Spring Compressor Will not fit T-56 transmission

Will not fit T-56 transmission

This complete SWR Meter Kit includes a compact SWR-power meter and cables (as shown) for easy connectivity and testing

Will Not Trip An Engine Code

Compatible with the GTX3 Carbon

Designed with a full flow radius transition from port opening to AN 37

UMI Performance 2" Lowering Suspension Spring Kit 4 Springs BlackGM G-Body 1978-88 - Kit Valve Spring Compressor Will not fit T-56 transmissionA 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. Our front springs are wound from 5160 CrSi premium wire and feature a linear 600 lb in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides consistent handling