G Force RCF1-4L80 Transmission Crossmember, 1967-69 F-Body, GM-4

G Force Performance is the premiere source for transmission crossmembers. Whether you're looking for an upgrade from stock components or parts crossmember to accommodate your all of your transmission needs and provides clearance for large diameter aftermarket dual exhaust systems. Finished in a black powder coat and includes new mounting hardware.

Note: The distance between crossmember frame holes is approximately 30-3/8" in. Measure your frame or crossmember to insure proper selection.

• Mounting hardware included
• This crossmember is installed with the GForce label facing the REAR of the vehicle. A second determining feature is the crossmember center tube section has a 1/2" in. drain hole located on the BOTTOM and on the PASSENGER side next to the exhaust hump weldment.
• 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

Since different transmissions can share the same overall lengths as well as other measurements, they can also share some transmission crossmembers. G-Force has grouped the transmissions together that can share the same crossmember.

This Crossmember fits the GM-4 Transmission Group:

• Hydra-Matic 4L80 transmission
• Hydra-Matic 4L80-E transmission
• Hydra-Matic 4L85 transmission
• Hydra-Matic 4L85-E transmission

G Force Transmission Groups (PDF)