Description

AT-1055 Bolt-on Transmission Mount for 1936-1954 Chevy Top-Hat Frames

This reinforced transmission cross member for 1936-1954 Chevy “Top-Hat” frames bolts under the frame for added strength and support.

Chassis Engineering Transmission Crossmember tubes are internally reinforced, heavy duty 1 3/4 inch OD tubing with a 3/16 inch wall.

Don’t forget to include a transmission cushion with your order:

SS-0112 – for 4speed, PowerGlide and Turbo 350 transmissions
SS-0114 – for Turbo 400 and Turbo 700 transmissions
SS-0212 – for Ford C4 transmissions

Note: Requires some fitting to individual frame. Mock-up installation, cut the cross member tube to length, weld on the mounting flanges and bolt everything in place.

If you prefer, we also offer the AT-1054 Transmission Crossmember for Chevrolet Top-Hat Frames, which mounts between the frame walls and features a 4 inch drop for center clearance.

Installation Instructions:

Universal Transmission Mount For Chevrolet Turbo 350,400, 3&4 Speed Manual and various other transmissions for Chevrolet Top Hat Car Frames

Step 1. Place reinforcing plates/transmission mount under frame and setup with transmission and engine.

Step 2. Prepare crossmember for cutting by holding it under the frame, and marking the excess material. Recheck all measurements and clearances. Remove and cut to length.

Step 3. Clamp in place. Locate and drill holes.

Step 4. Bolt the support rods to the back of the crossmember, Center mounting pads under frame rail and clamp in place. Drill holes to the bottom of the frame. When sure of spacing, drill all eight 3/8″ holes through the bottom lip of the frame.

Step 5: Transmission floor cover plate may need to be clearanced to miss the transmission.

WARNING: This product can expose you to chemicals including nickel and urethane, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.