Quick view UMI Performance UMI Performance 64 GM Polyurethane Rear End Housing Replacement Bushings - 3005-B Compare $49.99 Upgrade your rear end housing with polyurethane bushings to improve ride quality and performance. These bushings are designed to replace the worn out OEM rubber bushings, which can degrade over time... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64 GM Polyurethane Rear End Housing Replacement Bushings - 3005-R Compare $49.99 Upgrade your rear end housing with polyurethane bushings to improve ride quality and performance. These bushings are designed to replace the worn out OEM rubber bushings, which can degrade over time... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body 1in Lowering Spring Set Rear - 4052R Compare $189.99 A 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 ... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body 2in Lowering Spring Set Rear - 4053R Compare $189.99 A 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 ... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Factory Height Springs Rear - 4048R Compare $189.99 A 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 ... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Lowering Kit 1in Lowering - SS203052 Compare $689.99 The UMI Performance spring and shock kit is designed to lower your car 1 inch while providing a huge improvement in handling and control. These kits feature our race quality lowering springs which... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Lowering Kit 2in Lowering - SS203053 Compare $689.99 The UMI Performance spring and shock kit is designed to lower your car 2 inch while providing a huge improvement in handling and control. These kits feature our race quality lowering springs which... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Spring & Shock Kit Factory Height - SS203048 Compare $689.99 The UMI Performance spring and shock kit is designed to provide a huge improvement in handling and control. These kits feature our race quality springs which provide a high performance foundation for... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Spring Kit 1in Lowering - 4052 Compare $319.99 A 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... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Spring Kit 2in Lowering - 4053 Compare $319.99 A 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... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Spring Kit Factory Height - 4048 Compare $349.99 A 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... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-66 GM A-Body Spring/Shock Lowering Kit 1in Rear 250lb - AB4250-1 Compare $1,957.99 UMI's lowering package consists of four Viking double adjustable shocks, a hybrid front coil over spring system and either 1 or 2 inch UMI rear lowering springs. With moderately increased spring... Add to Cart Add to Cart
