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UMI Performance modular adjustable transmission crossmember for 1978–1988 GM G‑Body offers a laser‑cut tab and slot design with multiple mounting positions to fine‑tune driveline angle. The system accommodates various transmission models, provides ample clearance for large dual exhausts, includes a CNC billet spacer for 1978–1981 frames and features multiple mount options to simplify custom drivetrain installations.
UMI Performance 78-88 GM G-Body Modular Adjustable Transmission Crossmember - Black
