UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 7100BK This is why all liquid

This is why all liquid filled gauges are equipped with bleeder valves to equalize the internal pressure to that of the environment

1961-1969 Chevrolet C30 Pickup

Drilled for 1/2" wheel studs

the next generation of exhaust valve technology

UMI Performance 1964-1972 GM A-Body 2" Lowering Spring Set - Front 7100BK This is why all liquidA 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