Crossmembers

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 innovative solution offers multiple mounting locations,...

Crossmember to swap T56 and T56 Magnum transmissions in 1970-1974 GM F-Body cars. Laser cut tab and slot construction combines high strength and light weight into one package.This Part...

Crossmember to swap T56 and T56 Magnum transmissions in 1970-1974 GM F-Body cars. Laser cut tab and slot construction combines high strength and light weight into one package.This Part...

UMI’s LS swap kit features engine mounts and a T56 crossmember used to place a new drivetrain in 1970-1974 GM F-Body cars. UMI’s LS engine mounts locate the LSx engine properly on the 1970-1974 crossmember. The mounts feature precision laser cut 3/16″...

UMI’s LS swap kit features engine mounts and a T56 crossmember used to place a new drivetrain in 1970-1974 GM F-Body cars. UMI’s LS engine mounts locate the LSx engine properly on the 1970-1974 crossmember. The mounts feature precision laser cut 3/16″...

UMI Performance 82-92 GM F-Body LSX Engine Tubular K-Member w/ Weight Jack Kit (850lb.) - RedThis Part...

UMI 2411 integrated front weight jack mounts are a bolt-in solution that makes it easy to set ride height and corner balance your 3rd Gen. They work together with the UMI k-member to make an easy to install weight jack system. UMI 2411’s feature strong...

UMI 2411 integrated front weight jack mounts are a bolt-in solution that makes it easy to set ride height and corner balance your 3rd Gen. They work together with the UMI k-member to make an easy to install weight jack system. UMI 2411’s feature strong...

Less weight plus high strength equals road race and auto-x success. UMI’s direct bolt-in replacement Road Race K-member instantly removes 20 lbs of front end weight from your ride and helps your existing horsepower work for you while providing a...

Less weight plus high strength equals road race and auto-x success. UMI’s direct bolt-in replacement Road Race K-member instantly removes 20 lbs of front end weight from your ride and helps your existing horsepower work for you while providing a...

Note: Low mounted factory LS A/C needs relocated when running a UMI tubular k-member, we recommend an A/C relocation kit from www.kwikperf.com. K-member was designed around the LS1 oil pan and also works with the Holley 302 oil pan. Other oil pans may...

Note: Low mounted factory LS A/C needs relocated when running a UMI tubular k-member, we recommend an A/C relocation kit from www.kwikperf.com. K-member was designed around the LS1 oil pan and also works with the Holley 302 oil pan. Other oil pans may...