1970 - 1974 Firebird or Trans Am Overdrive T56 G-Force Transmission Crossmember

New super heavy duty crossmember for your overdrive transmission. Works great for all Tremec 6-Speeds and T56 Transmissions. Designed to work best with the GM T56 from 93-97 Camaro or Firebird. Other T-56 transmissions may require installer modifications.
Finished in a durable Black Powder Coat. Includes new high-strength, Grade #8 mounting hardware. The best quality O/D crossmember we've found available. Transmission Mount is available separately, and we recommend a Polyurethane Transmission Mount, such as our Polyurethane part # TRA-724.

TRA-812 Installation Notes:

This crossmember is installed with the G Force label facing the rear of the vehicle.

A second determining feature is crossmember center tube has a 1/2″ drain slot located on the bottom and on the passenger side next to the hump weldment.

The crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom.

To utilize the provided 7/16 hardware it is necessary to enlarge the holes in the frame rails. If the installer chooses to utilize the stock size 3/8 hardware, it is strongly recommended that the installer obtains Grade 8 fasteners and washers to compensate.

Fits all 1970 - 1974 models with a T56 transmissions.

PART NUMBER: TRA-812

THIS CROSSMEMBER IS INSTALLED WITH THE G FORCE LABEL FACING THE REAR OF THE VEHICLE.

A SECOND DETERMINING FEATURE IS CROSSMEMBER CENTER TUBE HAS A 1/2" DRAIN SLOT LOCATED ON THE BOTTOM AND ON THE PASSENGER SIDE NEXT TO THE HUMP WELDMENT.

THE CROSSMEMBER IS INSTALLED SO THAT THE EXHAUST CLEARANCE HUMPS ARE CLOSED ON THE TOP AND OPEN ON THE BOTTOM.

TO UTILIZE THE PROVIDED 7/16 HARDWARE IT IS NECESSARY TO ENLARGE THE HOLES IN THE FRAME RAILS. IF THE INSTALLER CHOOSES TO UTILZE THE STOCK SIZE 3/8 HARDWARE, IT IS STRONGLY RECOMMENDED THAT THE INSTALLER OBTAINS GRADE 8 FASTENERS AND WASHERS TO COMPENSATE.