UMI Performance 64-67 GM A-Body Rear Control Arm Kit Fully Boxed Lowers Adjustable Uppers - 402126-B

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

UMI Performance 64-67 GM A-Body Rear Control Arm Kit Fully Boxed Lowers Adjustable Uppers - 402126-R

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel...

UMI Performance 64-67 GM A-Body Rear Shock Tower Brace Bolt In - 4059-B

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MIG welded to 3/16” thick laser cut brackets for a...

UMI Performance 64-67 GM A-Body Rear Shock Tower Brace Bolt In - 4059-R

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is MIG welded to 3/16” thick laser cut brackets for a...

UMI Performance 64-67 GM A-Body Tubular Non-Adjustable Upper Control Arms - 4018-B

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are often subpar, leading to traction loss and poor handling due to bushing deflection and weak material. Our...

UMI Performance 64-67 GM A-Body Tubular Non-Adjustable Upper Control Arms - 4018-R

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are often subpar, leading to traction loss and poor handling due to bushing deflection and weak material. Our...

UMI Performance 64-70 GM A-Body Bump Steer Adjuster Kit - 4061

UMI’s A-body bump steer kit (1964-1970) is designed to reduce or eliminate toe change during suspension travel (also known as “bump steer”). Reduction of bump steer improves handling and straight...

UMI Performance 64-70 GM A-Body Bump Steer Adjuster Kit Heavy Duty Race - 4061-1

UMI’s 4061-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. This kit includes a heavy duty 5/8" bolt and...

UMI Performance 64-70 GM A-Body Tie Rod Adjusters - 2103

These heavy duty tie rod adjusters from UMI Performance are designed to eliminate the factory clamp style design making adjustments easy and hassle free while adding enhanced steering. Tie rod...

UMI Performance 64-72 A-Body Boxed Lower Control Arms- Poly/Roto-Joint - 4041-B

UMI's boxed lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The boxed control arms are fabricated from 0.120" wall thickness...

UMI Performance 64-72 A-Body Boxed Lower Control Arms- Poly/Roto-Joint - 4041-R

UMI's boxed lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The boxed control arms are fabricated from 0.120" wall thickness...

UMI Performance 64-72 A-Body Boxed Lower Control Arms- w/ Dual Roto-Joints - 4042-B

UMI's boxed lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The boxed control arms are fabricated from 0.120" wall thickness...