Crossmembers

UMI Performance - 2411-B2411 - 1982-1992 GM F-Body Upper Spring Mount Weight Jacks for UMI K-MemberUMI 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...

UMI Performance - 2411-R2411 - 1982-1992 GM F-Body Upper Spring Mount Weight Jacks for UMI K-MemberUMI 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...

UMI Performance - 2415-1-R2415-1 - 1982-1992 GM F-Body Tubular K-Member for LSX EnginesIncludes LS engine frame-side mountsRide height adjustment range 0 to 2-½” lowering850 for daily driving and general handlingEasy ride height adjustment with ¾”...

UMI Performance - 2610-BTransmission Crossmember - Bolt-On - Steel - Black Powder Coat - T56 / T56 Magnum - GM F-Body 1970-74 - Each1970-1974 GM F-Body T56/T56 Magnum Transmission CrossmemberCrossmember to swap T56 and T56 Magnum transmissions in...

UMI Performance - 260810-R260810 - 1970-1974 GM F-Body LS Swap/T56 kitUMI’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...

UMI Performance - 260810-B260810 - 1970-1974 GM F-Body LS Swap/T56 kitUMI’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...

UMI Performance - 2610-R2610 - 1970-1974 GM F-Body T56/T56 Magnum Transmission Crossmember1970-1974 GM F-Body T56/T56 Magnum Transmission CrossmemberCrossmember to swap T56 and T56 Magnum transmissions in 1970-1974 GM F-Body cars. Laser cut tab and slot...

UMI Performance - 2407-B2407 - 1982-1992 GM F-Body Tubular K-member, Factory Springs, Road RaceLess 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...

UMI Performance - 2318-UC2318-UC - 1993-2002 GM F-Body K-member- No Motor Mounts- Main center tube constructed of 1.500” x 0.120” DOM seamless steel tubing - Additional cross braces use 1.250” x 0.120” DOM seamless steel tubing - K-member Features...

UMI Performance - 2404-B1982-1992 GM F-Body Tubular K-member for LSX Engines, Coil OversNote: 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...

UMI Performance - 2403-R2403 - 1982-1992 GM F-Body Tubular K-member for LSX Engines, Factory SpringsNote: Factory low mounted 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...

UMI Performance - 2404-R2404 - 1982-1992 GM F-Body Tubular K-member for LSX Engines, Coil OversNote: 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...