A604 Case Conversion Tool Kit # T-6150Converts 1989-95 A604 transmission cases to the hard-to-find 1996-up cases! A604 late model cases with an internal MLPS/DTR are more difficult and expensive to find than the early cases. Some late model cases also have an extra mount, and have a crankshaft sensor hole positioned in the bell housing. This tool kit adapts the early case while addressing the MLPS hole, extra mount, and crankshaft sensor hole.The T-6150 case adaptor tool kit includes:- Main Case Cutter & Fixture- Mount Adaptor- Crankshaft Sensor Hole Cutter- Crankshaft Sensor Hole Adaptor- P-N/PRNDL Switch Hole Plugs- Misc. Hardware & WrenchesFor additional mount adaptors and plugs, order Axiom # T-6150AB Mount and Crankshaft Hole Adaptors, and # T-6150P P-N/PRNDL Plugs.