UMI Performance 73-77 GM A-Body Rear Upper Control Arms Non-Adjustable - 4216-B

UMI’s rear control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. UMI’s heavy duty upper control arms are CNC...

UMI Performance 73-77 GM A-Body Upper & Lower Control Arm Kit - 421516-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 hop. The boxed lower control arms feature reinforced...

UMI Performance 73-77 GM A-Body Upper & Lower Control Arm Kit - 421516-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 hop. The boxed lower control arms feature reinforced...

UMI Performance 73-77 GM A-Body Boxed Rear Lower Control Arms - 4215-R

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. Sway bar mounting holes are reinforced...

UMI Performance 73-77 GM A-Body Boxed Rear Lower Control Arms - 4215-B

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. Sway bar mounting holes are reinforced...

UMI Performance 64-72 GM A-Body Tubular Lower Front A-Arms Corner Max Standard Ball Joint - 4062-R

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 4062 arms are strong yet lightweight and feature a removable lower mounting system to permit spring changes at...

UMI Performance 64-72 GM A-Body Tubular Lower Front A-Arms Corner Max Standard Ball Joint - 4062-B

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 4062 arms are strong yet lightweight and feature a removable lower mounting system to permit spring changes at...

UMI Performance 64-72 GM A-Body Tubular Lower Front A-Arms Corner Max Tall Ball Joint - 4062-1-R

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 4062-1 arms are strong yet lightweight and feature a removable lower mounting system to permit spring or shock...

UMI Performance 64-72 GM A-Body Tubular Lower Front A-Arms Corner Max Tall Ball Joint - 4062-1-B

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 4062-1 arms are strong yet lightweight and feature a removable lower mounting system to permit spring or shock...

UMI Performance 64-72 GM A-Body Front Upper A-arms Adjustable 0.9in Taller Ball Joints - 4056-3-R

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. This arm precisely locates a 0.9” taller upper ball joint which in turn improves the camber curve and results in...

UMI Performance 64-72 GM A-Body Front Upper A-arms Adjustable 0.9in Taller Ball Joints - 4056-3-B

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. This arm precisely locates a 0.9” taller upper ball joint which in turn improves the camber curve and results in...

UMI Performance 64-72 GM A-Body Front Upper A-arms Adjustable 1/2in Taller Ball Joints - 4056-2-R

Today’s Pro Touring A-bodies are handling like never before. Achieve your goal of awesome handling with UMI’s new adjustable upper a-arm. This arm precisely locates a ½” taller upper ball joint which in turn improves the camber curve and results in...