Putting a GM engine in front of a Jeep T-18 four-speed is one of the most common full-size swap combinations, and this kit handles both halves of the problem: it bolts the transmission to the Chevy bellhousing and supplies a 4.686 in. bearing retainer so the gearbox indexes true to the crankshaft. Input shaft length matters here, so measure before ordering.

Advance Adapters 712512 Compatibility Notes:

• Adapts a Chevy engine to a Jeep T-18 manual transmission.
• Includes a 4.686 in. bearing retainer for proper bellhousing alignment.
• Fits transmissions with a 10-3/8 in. overall input shaft, 7-3/4 in. protruding from the seal plate when installed.
• Included input shaft fits cluster gears with 17 teeth only.
• Mounting hardware included, no welding required. Sold as a kit.