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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Compact design for easy mounting in engine bay or chassis tubing
Choose from panels with standard or weatherproof switches
the adapter bushing is supplied with the unit
High Output Ign
UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 SPWCH-415-5 Compact design for easy mountingA 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
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