UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 31013BK Anodized Black with Steel Nickel

Anodized Black with Steel Nickel knurled adjustment wheel making it attractive and functional

25 Watt GMR25

wrap around design covering all the foma on the head of the seat

Ventura 1975-77Vehicle Applications: 1977-1977 Pontiac Ventura (Front Left Inner)

to the demands of Cup Racing

UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 31013BK Anodized Black with Steel NickelA 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