UMI Performance

UMI's 2540 rear lower trailing links are the high-performance way to stiffen the flimsy factory GM rear suspension on your 6th Gen Camaro. These arms feature exact GM Camaro tolerances, greaseable...

Improve handling and reduce body roll with UMI's 1965-1970 GM B-Body front sway bar. Street performance friendly 1-1/8" diameter bar controls body roll better than factory bars. Includes greaseable...

UMI’s bolt-in frame notch kit improves axle clearance on lowered trucks. The 6415 is essential when lowering more than 6″. It features strong 3/16″ laser cut steel construction, quality...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our...

Add ride height and damping adjustments with a rear coilover kit on your 1978-1996 GM B-Body platform with UMI's bolt-in coilover conversion brackets with no welding required. When used with...

UMI 78-96 GM B-Body Roto-Joint Rear End Housing Replacement BushingsThis Part Fits:YearMakeModelSubmodel1978-1981BuickLeSabreBase1985BuickLeSabreCollector's...

UMI's 3635 GM B-Body front sway bar is a direct fit upgrade to the small factory front bar. The robust 1.375" tubular bar fits in factory location but has big anti sway benefits. High quality,...

UMI's 3635 GM B-Body front sway bar is a direct fit upgrade to the small factory front bar. The robust 1.375" tubular bar fits in factory location but has big anti sway benefits. High quality,...

UMI's race-inspired 1982-2003 F-Body splined rear sway bar features cutting-edge design and performance. Offering true and consistent rates ideal for fine-tuning rear anti-roll dynamics, providing a...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our...

UMI's 90081 LS to LT conversion bracket adapts the modern GM LT direct injection engine to our popular GM LS (Gen III / IV) engine mount system. The brackets are designed to maintain factory...

UMI Performance, Inc. is pleased to offer a heavy duty engine mount for 2004-2007 Cadillac CTS-V applications. The OEM Cadillac engine mount is prone to failure which results in leaking damping fluid...

UMI Performance, Inc. is pleased to offer a heavy duty engine mount for 2004-2007 Cadillac CTS-V applications. The OEM Cadillac engine mount is prone to failure which results in leaking damping fluid...

Spacer Kit: Part #1058 spacer kit designed to fix the oversized hole problem with the factory rear upper control arm mount. Where the rear upper control arm mounts to the chassis Ford uses a 14mm...