MerCruiser 66397A1 76812A4 Reverse Lock Valve Shift 120hp V8 888 898 1974-1982 Internal Engine Parts Adapter - Ball Bearing

Adapter - Ball Bearing

Make sure to check the physical part for the number

3L V6 190hp 205hp / 5

but you would have to change out the flappers with the new style 807166A1 Shutter assemblies

This was off 1994 GTX Three Seater with a 657 X

MerCruiser 66397A1 76812A4 Reverse Lock Valve Shift 120hp V8 888 898 1974-1982 Internal Engine Parts Adapter - Ball BearingItem Description This particular Reverse lock valve assembly was generally found on MerCruiser Engines 1977 1982 that did not have the switch mounted to the reverse lock valve. 120hp 2. 5L 4cyl 140hp 3. 0L 4cyl 165hp 6cyl 4. 1L V8 Ford 302 & 351 888 V8 350 305 Chevy 898 470 4cyl 3. 7L etc. Freshwater Used Part. Overall good condition. Includes NEW O rings (in the event that you need them) If you are unsure if this is the correct part for your