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
Quick view UMI Performance UMI Performance 64-72 GM A-Body 1in Solid CrMo Rear Sway Bar - 4034-R Compare $169.99 Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works to keep your vehicle level and straight during those hard launches... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-72 GM A-Body 1in Solid CrMo Rear Sway Bar - 4034-B Compare $169.99 Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works to keep your vehicle level and straight during those hard launches... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-72 A-Body Tubular Front Upper A-arms 1/2in Taller Ball Joints - 4033-1-B Compare $679.99 Improve handling and make your classic A-Body feel like a modern day muscle car by combining our popular P/N 4033 upper a-arms with ½" taller premium ball joints. P/N 4033-1 a-arms combine the benefit of additional caster with increased negative... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 64-72 GM A-Body Tubular Upper & Lower Front A-Arm Kit - Black - 403133-B Compare $1,299.99 Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403133 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with... Add to Cart Add to Cart