Products

This transmission cross member is designed for the installation of a 700R4 or T5 transmission into an 1982-1992 third generation F-Body. Cross memb...

We all know weight equals horsepower. UMI’s direct bolt-in replacement K-member instantly removes 20 lbs of front end weight from your ride and...

We all know weight equals horsepower. UMI’s direct bolt-in replacement K-member instantly removes 20 lbs of front end weight from your ride and...

We all know weight equals horsepower. UMI’s direct bolt-in replacement K-member instantly removes 20 lbs of front end weight from your ride and...

We all know weight equals horsepower. UMI’s direct bolt-in replacement K-member instantly removes 20 lbs of front end weight from your ride and...

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 lb...

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 lb...

Rear mounting plates use 0.375" thick mild steel and are designed to fit stock as well as 12- bolt and 9" rear-end housingsThis Part Fits: Year Ma...

Rear mounting plates use 0.375" thick mild steel and are designed to fit stock as well as 12- bolt and 9" rear-end housingsThis Part Fits: Year Ma...

Hardware kit P/N 2997 includes grade 10.9 bolts and Ny-lock nuts to mount the LS engine to an aftermarket k-member or any LS aftermarket motor moun...

UMI’s P/N 2405 spring perch kit is used as an upper spring mount in conjunction with our 2400 series k-member. The 2405 spring perch kit is an ec...

UMI’s P/N 2405 spring perch kit is used as an upper spring mount in conjunction with our 2400 series k-member. The 2405 spring perch kit is an ec...

UMI’s performance lowering springs are built to lower the 4th Gen rear approx. 1.5” and increase the spring rates for a crisp handling experien...

Strong CrMo tube construction and a streamlined ball joint plate combined with high strength aluminum racing rod ends save one half pound per side ...

Strong CrMo tube construction and a streamlined ball joint plate combined with high strength aluminum racing rod ends save one half pound per side ...

If you have an aftermarket rear end and no way to install a rear sway, this kit is the solution. This kit includes everything needed to install a...

If you have an aftermarket rear end and no way to install a rear sway, this kit is the solution. This kit includes everything needed to install a...

If you have an aftermarket rear end and no way to install a rear sway, this kit is the solution. This kit includes everything needed to install a...

If you have an aftermarket rear end and no way to install a rear sway, this kit is the solution. This kit includes everything needed to install a...