Description
T56, TR6060, and 4L80 transmissions are big! When retrofitting a modern overdrive transmission into an older car it’s common to have to enlarge the transmission tunnel. This preformed tunnel patch gives you a head start in making enough room.
This is a weld in tunnel patch. This is commonly used in Novas, Chevelles, Camaros and many Mopars with a T56 Magnum or 4L80E being used. We have had customers use them in many different applications and with several transmission configurations. This is general sheet metal raised tunnel and is not specific to a car, it will require some fabricating skill and is to be fully welded in place. There are no instructions for this part.
Photos of a customer-installed tunnel are provided for reference. As this will require fabrication, there are many ways to finish the details with this tunnel.
3’ Long x 12“ wide near firewall narrowing to 4” wide at the rear, 4” high
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