Quick view UMI Performance UMI Performance 64-72 GM A-Body 78-88 G-Body 2in Lowering Spring Rear - 4051R 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 64-72 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 64-72 GM A-Body 78-88 G-Body 1in Lowering Spring Rear - 4050R 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 64-72 GM A-Body 1in Lowering Spring Front - Set - 4050F 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 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 Factory Height Springs Rear - 4049R 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 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 64-72 GM A-Body Solid Front and Rear Sway Bar Kit - 403534-R Compare $399.99 UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. The 1.250" front sway bar is 400% more rigid than the factory 7/8" front sway bar and comes complete... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-72 GM A-Body Solid Front and Rear Sway Bar Kit - 403534-B Compare $399.99 UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. The 1.250" front sway bar is 400% more rigid than the factory 7/8" front sway bar and comes complete... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-77 A-Body 70-81 F-Body GM Front Sway Bar 1-1/4in Solid - 4035-R Compare $239.99 UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort. Each bar is manufactured from CNC bent 4140 CrMo which... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-72 GM A-Body 1-1/4in Solid Front Sway Bar - Black - 4035-B Compare $239.99 UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort. Each bar is manufactured from CNC bent 4140 CrMo which... Add to Cart Add to Cart