Quick view UMI Performance UMI Performance 1967 GM A-Body Lowering Kit 2in Lowering - SS203051 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 provide a high performance foundation for your ride... 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 your ride. Premium US sourced CrSi wire is wound into... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 68-72 GM A-Body Lowering Kit 2in Lowering - SS103051 Compare $665.99 The UMI Performance spring and shock kit is designed to lower your car 2 inches while providing a huge improvement in handling and control. These kits feature our race quality lowering springs which provide a high performance foundation for your ride... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance Spring Spacer Kit - 90064 Compare $39.99 UMI’s rear spring spacers may be just the ticket to achieve that perfect stance or prevent tire rub. UMI’s zinc coated, laser cut mild steel spacers are available in 1/8” and 3/16” thickness and can be safely stacked. They provide an easy way to fine... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance Spring Spacer 3/16in - 90063 Compare $9.99 UMI’s rear spring spacers may be just the ticket to achieve that perfect stance or prevent tire rub. UMI’s zinc coated, laser cut mild steel spacers are available in 1/8” and 3/16” thickness and can be safely stacked. They provide an easy way to fine... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance Spring Spacer 1/8in - 90062 Compare $9.99 UMI’s rear spring spacers may be just the ticket to achieve that perfect stance or prevent tire rub. UMI’s zinc coated, laser cut mild steel spacers are available in 1/8” and 3/16” thickness and can be safely stacked. They provide an easy way to fine... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 3/4in-16 4140 M/F Hex Adjuster 4-1/2in Length - 90001 Compare $19.99 4140 Chromoly Hex Adjuster. 4-1/2″ Length, 1-3/4″ threads. No jam nuts included. Add to Cart Add to Cart
Quick view UMI Performance UMI Performance Viking Coilover Spring 2.5in x 8in x 850 lb/in - 8VB850B Compare $59.99 UMI Coilover Spring 2.5" x 8" x 850 lb/in - Slight barrel taper for shock clearance 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 best in the business. These springs are wound from 9254... 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 best in the business. Our front springs are wound from... 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 best in the business. These springs are wound from 9254... 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 best in the business. Our front springs are wound from... Add to Cart Add to Cart