UMI Performance 78-88 GM G-Body Adjustable Upper Control Arms- Poly Bushings - 302500-B

UMI Performance adjustable upper control arms are designed to optimize your vehicle's performance by allowing you to adjust the pinion angle for improved handling and traction. These control arms are...

UMI Performance 78-88 GM G-Body Adjustable Upper Control Arms- Poly Bushings - 302500-R

UMI Performance adjustable upper control arms are designed to optimize your vehicle's performance by allowing you to adjust the pinion angle for improved handling and traction. These control arms are...

UMI Performance 78-88 GM G-Body Bolt-In Viking Rear Coilover Kit - 3049-110

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustability for your 1978-1988 GM G-Body. The upper mount reinforcement is a direct bolt-in and holds a true 2-½”...

UMI Performance 78-88 GM G-Body Boxed Lower Control Arms - 3021-B

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss and poor handling. Our boxed control arms...

UMI Performance 78-88 GM G-Body Boxed Lower Control Arms - 3021-R

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss and poor handling. Our boxed control arms...

UMI Performance 78-88 GM G-Body C5/C6 Front Brake Conversion Brackets - 3046

The UMI P/N 3046 brake conversion bracket is designed to mount 1997-2013 C5 or C6 front calipers and rotors to the 1978-1988 GM G-Body factory spindle. Conversion brackets are CNC laser cut from 3/8”...

UMI Performance 78-88 GM G-Body C5/C6 Front Brake Conversion Hubs & Bearings - 3047

UMI’s 3047 hub and bearing kit supports the UMI P/N 3046 C5 conversion brackets with a high quality Made In USA performance aluminum hub and premium bearings. The hub features 5 x 4-1/2 5 x 4-3/4...

UMI Performance 78-88 GM G-Body C5/C6 Front Brake Conversion Hubs Bearings Bracket Kit - 304647

UMI’s C5/C6 conversion kit includes laser cut UMI conversion brackets, light weight USA made aluminum hubs and premium bearings. P/N 304647 includes everything needed to adapt the C5/C6 abutment...

UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces - 3028-B

Trailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978-1988 G-Body vehicle. The more power your ride makes the better chance of bending or...

UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces - 3028-R

Trailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978-1988 G-Body vehicle. The more power your ride makes the better chance of bending or...

UMI Performance 78-88 GM G-Body Double Adjustable Lower Control Arms with Rod Ends - 3027-B

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature TIG welded fabrication, reinforced sway bar holes...

UMI Performance 78-88 GM G-Body Double Adjustable Lower Control Arms with Rod Ends - 3027-R

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature TIG welded fabrication, reinforced sway bar holes...