UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear Exterior Lights & Components Replaces fan clutch

Replaces fan clutch

Get maximum flexibility from your modular SLP cat-back with these "Shotgun" Race Resonators

A game-changing method for accurately setting lash or pre-load while using non-adjustable style rockers

Coolant Temperature Sensor / Oil Pressure Gauge

Billet fuel rail kit for LS3/LS7 engines

UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear Exterior Lights & Components Replaces fan clutchA 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 530 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