UMI Performance
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
UMI Performance 78-88 GM G-Body Lowering Spring Front 2in Lowering - 3051F
UMI Performance
$178.05A 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...$178.05 -
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Black - 3108-B
UMI Performance
$357.06Introducing 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...$357.06 -
UMI Performance 78-88 GM G-Body Rear Frame Notching Kit Weld In - 3061
UMI Performance
$108.44UMI’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...$108.44 -
UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt In - 3055-B
UMI Performance
$168.11This 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...$168.11 -
UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt In - 3055-R
UMI Performance
$168.11This 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...$168.11 -
UMI Performance 78-88 GM G-Body SBC Poly Engine Mount Kit - 90071
UMI Performance
$118.38UMI Performance 78-88 GM G-Body SBC Poly Engine Mount KitInstallation Instructions$118.38 -
UMI Performance 78-88 GM G-Body Solid Front & Rear Sway Bar Kit - 303534-B
UMI Performance
$426.68UMI 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...$426.68 -
UMI Performance 78-88 GM G-Body Tubular Upper & Lower Control Arms Kit - 301516-B
UMI Performance
$376.95Rear 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...$376.95 -
UMI Performance 78-88 GM G-Body Upper & Lower A-Arm Mounting Hardware - 3013
UMI Performance
$36.83Don'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...$36.83 -
UMI Performance 78-88 GMC G-Body Rear Coilover Bracket Kit - 3054
UMI Performance
$207.89UMI’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...$207.89 -
UMI Performance 78-92 GM G-Body & F-Body Front A-Arm Hardware Kit - 3011
UMI Performance
$25.89UMI Performance 78-92 GM G-Body & F-Body Front A-Arm Hardware Kit$25.89 -
UMI Performance 79-04 Ford Mustang Rear End Housing Bushings - 1008-R
UMI Performance
$43.80Replace the rubber factory rear end housing bushings with a polyurethane setup from UMI. Over time, rubber bushings dry rot, crack and harden, decreasing your ride quality and vehicle performance...$43.80