UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear Exterior Lights & Components Get maximum flexibility from your

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

Peterson 400 Series Filters

Notes: Fits 2wd and 4wd models and 2019 Classic models

1990-1991 Oldsmobile Silhouette

Hypertech Max Energy Power Programmer - Diesel / Gas - Chevy / Ford 3000

UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear Exterior Lights & Components Get maximum flexibility from yourA 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