Advance Adapters Torqueflite 999 and 727 Automatic Transmission to GM Engine. These are found in 1980-00 CJs and Wranglers behind 4.0L, 258 6 cyl., and AMCs V8s only. The adapter kit consists of: an adapter plate, new flex plate, and hardware. Installation requires the use of a 6 cylinder torque converter. This adapter fits 1986-up Chevy V6 and V8 internally balanced engines. Image shown for illustration purposes only.
Advance Adapters got its start in Downey, California in 1971 with a single adapter mating a Muncie car 4-speed to a Jeep Dana 18 transfer case. Eventually headers, overdrives, motor mounts and linkage brackets were added to the offerings to complement their core adapter components. When interest in rock crawling spiked in the mid-1990s, Advance Adapters offered low ratio transmission swaps then switched gears into the ultra-low gear transfer case arena. Today, the company is based in Paso Robles, California and their engine and transmission conversions for Jeeps are in kit form and sold as individual components. Shop Advance Adapters Now
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