Quick view UMI Performance UMI Performance 64-72 GM A-Body 2in Lowering Spring Set Front - 4051F Compare $169.99 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 springs are wound from 5160... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 67-72 GM A-Body Spring Kit 2in Lowering - 4051 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 67-72 GM A-Body 1in Lowering Spring Set - 4050 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 67-72 GM A-Body Spring Kit Factory Height - 4049 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 best in the business. UMI’s springs are designed to add... 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 best in the business. UMI’s springs are designed to add... 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 best in the business. UMI’s springs are designed to add... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 78-88 G-Body Lowering Spring Kit 1in Lowering - 3050 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 70-81 GM F-Body Extended Coilover Mount Front - 2661 Compare $229.99 UMI p/n 2661 1970-1981 Camaro and Firebird Extended Coilover Mount is used to mount a true racing coilover into the front of your 2nd Gen. This weld-in upper coilover mount kit locates a 2-½” racing coilover in the proper location for use with our 2655... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-92 GM F-Body Lowering Spring Kit 1in-1.5in lowering - 2461 Compare $299.99 UMI’s performance lowering springs are built to lower the 3rd Gen approx. 1” - 1.5” and increase the spring rates for a crisp handling experience and better stance. UMI springs are Made in USA of 5160 CrSi wire up front and 9254 CrSi wire in the rear... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-92 Upper Spring Mounts for UMI K-member - 2405-R Compare $189.99 UMI’s P/N 2405 spring perch kit is used as an upper spring mount in conjunction with our 2400 series k-member. The 2405 spring perch kit is an economical way to convert from a coil over k-member P/N 2402 or 2404.This Part... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-92 Upper Spring Mounts for UMI K-member - 2405-B Compare $189.99 UMI’s P/N 2405 spring perch kit is used as an upper spring mount in conjunction with our 2400 series k-member. The 2405 spring perch kit is an economical way to convert from a coil over k-member P/N 2402 or 2404.This Part... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-02 GM F-Body Rear Weight Jack System 0lb Race - 2075-3-R Compare $419.99 UMI's rear weight jacks provide ride height adjustment and excellent handling for your 3rd or 4th Gen GM F-Body. The kit includes custom wound premium race quality springs and our own unique spring perches featuring a smooth acting Torrington bearing... Add to Cart Add to Cart