UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 31013BK wrap around design covering all

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

keep this in mind: the shorter the ladder

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

Improves Horsepower And Performance

5 in Center Inlet Outlet

UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 31013BK wrap around design covering allA 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