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Racing Electronics
1976-1978 Pontiac Bonneville Brougham CID 400 Naturally Aspirated GAS
Exclusive BootGuard (prevents damage to factory rubber inner boot)
The beefy aluminum housing provides a secure mount to withstand extreme racing conditions
Use with Allstar ALL31135-31140 adapter fittings
UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 1130201 Racing ElectronicsA 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
