UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 1130201 1976-1978 Pontiac Bonneville Brougham CID

1976-1978 Pontiac Bonneville Brougham CID 400 Naturally Aspirated GAS

000 Btu High-Output Auxiliary Heater

Racing Electronics

570" OD guide applications

Exclusive BootGuard (prevents damage to factory rubber inner boot)

UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 1130201 1976-1978 Pontiac Bonneville Brougham CIDA 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. UMI's springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides