MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 Flywheel 315930 / 0315931 Cylinder Lift

315930 / 0315931 Cylinder Lift Ring

May fit these other boats

32-60201 Thermostat Housing To Rear End Cap

Do not use with Ford V8 Models

MerCruiser 470 Exhaust Elbow Upper Lower Tube Pipe 1983-1989 42423A1 42421A5 Flywheel 315930 / 0315931 Cylinder LiftItem Details Typically found on MerCruiser 470 3. 7L & 3. 7LX 4cyl Models 1984 1989 (Possibly some 1983 models) that use this style of exhaust system as apposed to the one that had 2 halves but was joined together by bolts rather than a rubber boot. Overall Good condition, The shutter assembly is missing and needs to be replaced Parts Included 42423A1 Exhaust Elbow Assembly Upper 42421A5 Exhaust Elbow Assembly Lower (Also Found on MerCruiser 120hp