UMI Performance 78-88 GM G-Body Adjustable Upper & Lower Control Arm Kit - 301417-R MSRP: Was: Now: $519.99
UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces - 3028-B MSRP: Was: Now: $159.99 Add to Cart
UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame Braces - 3028-R MSRP: Was: Now: $159.99 Add to Cart
UMI Performance 78-88 GM G-Body Double Adjustable Upper & Lower Rear Control Arms Kit - 302717-B MSRP: Was: Now: $619.99 Add to Cart
UMI Performance 78-88 GM G-Body Front 1in 70-81 F-Body 2-1/2in Lowering Spring - 3050F MSRP: Was: Now: $169.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Reinforcement Brace Bolt In - 3053-R MSRP: Was: Now: $299.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Sway Bar Spacer Mount - 3068 MSRP: Was: Now: $39.99 Add to Cart
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Black - 3108-B MSRP: Was: Now: $349.99
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Red - 3108-R MSRP: Was: Now: $349.99
UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt In - 3055-B MSRP: Was: Now: $159.99 Add to Cart
UMI Performance 78-88 GM G-Body Tubular Upper & Lower Control Arms Kit - 301516-B MSRP: Was: Now: $369.99 Add to Cart
UMI Performance 78-88 GM G-Body Tubular Upper & Lower Control Arms Kit - 301516-R MSRP: Was: Now: $369.99 Add to Cart
UMI Performance 78-88 GMC G-Body Rear Coilover Bracket Kit - 3054 MSRP: Was: Now: $199.99 Add to Cart
UMI Performance 78-88 GM G-Body 1in Solid Rear Sway Bar - 3034-B 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 excellent to... MSRP: Was: Now: $169.99
UMI Performance 78-88 GM G-Body 1in Solid Rear Sway Bar - 3034-R 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 excellent to... MSRP: Was: Now: $169.99
UMI Performance 78-88 GM G-Body Adjustable Upper & Lower Control Arm Kit - 301417-R This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the... MSRP: Was: Now: $519.99
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... MSRP: Was: Now: $159.99 Add to Cart
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... MSRP: Was: Now: $159.99 Add to Cart
UMI Performance 78-88 GM G-Body Double Adjustable Upper & Lower Rear Control Arms Kit - 302717-B Complete Kit Includes: (1) Set of Double Adjustable Lower Control Arms with Spherical Rod Ends (Item #3027) (1) Ser of Double Adjustable Upper Control Arms "Ultimate Arms" (Item #3017)This Part... MSRP: Was: Now: $619.99 Add to Cart
UMI Performance 78-88 GM G-Body Engine Side Solid Engine Mounts - 90058 The P/N 0058 heavy duty engine mounts for GM G-Body cars takes the place of the heavy factory clamshell mount. It places the Small Block Chevy in exact factory location and uses our popular P/N... MSRP: Was: Now: $49.99
UMI Performance 78-88 GM G-Body Front 1in 70-81 F-Body 2-1/2in Lowering Spring - 3050F 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... MSRP: Was: Now: $169.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Reinforcement Brace Bolt In - 3053-B The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body platform. The UMI three point frame brace takes the... MSRP: Was: Now: $299.99
UMI Performance 78-88 GM G-Body Front Reinforcement Brace Bolt In - 3053-R The UMI Performance, Inc. reinforcing front frame brace is used to stiffen the front frame horns and front crossmember area on the GM G-Body platform. The UMI three point frame brace takes the... MSRP: Was: Now: $299.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Sway Bar - Black - 3067-B While UMI's 3035 bar works great for most street performance builds, the 3067 is the upgrade of choice for aggressive drivers, autocross competitors, and road race enthusiasts. Battle-tested on UMI’s... MSRP: Was: Now: $329.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Sway Bar - Red - 3067-R While UMI's 3035 bar works great for most street performance builds, the 3067 is the upgrade of choice for aggressive drivers, autocross competitors, and road race enthusiasts. Battle-tested on UMI’s... MSRP: Was: Now: $329.99 Add to Cart
UMI Performance 78-88 GM G-Body Front Sway Bar Spacer Mount - 3068 UMI's sway bar mounting spacers provide your front sway bar with extra clearance by moving the bushing mounts forward 0.600", allowing for improved sway bar fitment. Crafted from durable 0.375" thick... MSRP: Was: Now: $39.99 Add to Cart
UMI Performance 78-88 GM G-Body Lowering Spring Front 2in Lowering - 3051F 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... MSRP: Was: Now: $169.99
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Black - 3108-B Introducing UMI's Cutting-Edge Modular Crossmember System: The Ultimate Transmission Mounting Solution for Your 1978-1988 GM G-Body Transform your GM G-body with UMI's state-of-the-art modular... MSRP: Was: Now: $349.99
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Red - 3108-R Transform your GM G-body with UMI's state-of-the-art modular crossmember system, designed to deliver precision, performance, and versatility. Engineered with a laser-cut tab and slot design, this... MSRP: Was: Now: $349.99
UMI Performance 78-88 GM G-Body Rear Frame Notching Kit Weld In - 3061 UMI’s P/N 3061 G-Body frame notch kit allows for narrowing the rear upper frame rails on the G-Body for installation of a wider tire. Laser cut 1/8” premium steel follows the frame contour (with some... MSRP: Was: Now: $99.99
UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt In - 3055-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... MSRP: Was: Now: $159.99 Add to Cart
UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt In - 3055-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... MSRP: Was: Now: $159.99
UMI Performance 78-88 GM G-Body Solid Front & Rear Sway Bar Kit - 303534-R 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 more rigid... MSRP: Was: Now: $419.99
UMI Performance 78-88 GM G-Body Tubular Upper & Lower Control Arms Kit - 301516-B Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak... MSRP: Was: Now: $369.99 Add to Cart
UMI Performance 78-88 GM G-Body Tubular Upper & Lower Control Arms Kit - 301516-R Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak... MSRP: Was: Now: $369.99 Add to Cart
UMI Performance 78-88 GM G-Body Upper & Lower A-Arm Mounting Hardware - 3013 Don't reuse old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new upper and lower A-Arms... MSRP: Was: Now: $27.99
UMI Performance 78-88 GMC G-Body Rear Coilover Bracket Kit - 3054 UMI’s bolt-in rear coilover bracket kit is a complete mounting solution for your Quick Performance axle in your 1978-1988 GM G-Body. This bracket features a multi-position design to allow further... MSRP: Was: Now: $199.99 Add to Cart
