Advance Adapters GM TH350 Transmission To Dana 300 or NP231 23 SplineTransfer Case Adapter - 50-6304 - ADV50-6304
80-86 CJ with Dana 300 transfer case;87-95 Wrangler YJ with 23 spline NP231;73-85 GM TH350 4WD transmission;Some applications require driveline modifications;Includes all mounting hardware; California Residents: WARNING This kit is for use with 1973-85 GM TH 350 4 wheel drive transmission and requires driveline modifications. Adapter thickness is 3.650. Kit includes new mainshaft and mounting hardware. Additional parts required: part #716021 transfer case mount for CJ or #716008 transfer case mount for YJ, #716010 vacuum modulator, #715523 transfer case shifter bracket and #G104 Chevy small block flexplate 283-350. Kit fits 1980-86 CJ Dana 300 transfer case and 1987-95 YJ New Process transfer case with 23 spline input shaft.