UMI Performance 64-66 GM A-Body Factory Height Springs Rear Drivetrain>Crossmembers For high-powered applications

For high-powered applications

All BBK mass air meters are CNC Machined large bore aluminum housing's with a custom BBK calibrated electronic sensor placed on top to accurately measure air flow for accurate air fuel ratio's

and bright red anodized aluminum end caps and locking rings

Snow Performance Fuel Hats are engineered

Oval Straight-Through Performance Exhaust Muffler 12588 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill

UMI Performance 64-66 GM A-Body Factory Height Springs Rear Drivetrain>Crossmembers For high-powered applicationsA 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. UMIs 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