Transmission Crossmember 78-83 G-Body Cars

The Transmission Crossmember 78-83 G-Body Cars from G Force Crossmembers is a purpose-built structural component engineered for classic GM G-body platform vehicles undergoing transmission upgrades or restoration. This crossmember is ideal for those swapping a modern or upgraded transmission into a 1978–1983 G-body (Chevelle, Malibu, Cutlass, Regal, or similar), providing a rigid mounting foundation necessary for secure drivetrain installation.

Machined and fabricated to exacting tolerances, the G Force Transmission Crossmember (model RCG-400K) is constructed from high-strength steel, ensuring it can handle the dynamic loads transferred through a transmission during acceleration, braking, and cornering. At 33.2 pounds and spanning 51.5 inches in length, it is designed to bolt directly into factory mounting locations with minimal modification, maintaining structural integrity.

Street rodders, restoration shops, and weekend warriors performing turbo upgrades, LS swaps, or vintage muscle car restorations will find this crossmember beneficial. Its engineering prevents transmission rocking, reduces vibration transmission into the chassis, and protects your driveline from impact damage by providing a stable, level mounting interface.