Adapter kit consists of an adapter plate, new flex plate and hardware; California Residents: WARNING 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 cylinder engine 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 1957-85 Chevy V6 and V8 internally balanced engines. Image shown for illustration purposes only.