REPLICA STYLE 3-7/16 BORE PISTON SET STANDARD SIZE. SET INCLUDES HASTING 3 PIECE RING SET 2 WRIST PINS AND 4 CIRCLIPS. PISTONS HAVE A STEEL EXPANSION CONTROL STRUT CAST. ACCEPTS 4-1/2 FLYWHEEL.
**NOTE:RUN ENGINE AT MODERATE SPEEDS FOR AT LEAST 500 MILES AVOIDING EXCESSIVE RUNNING IN LOWER GEARS IN ORDER TO PROPERLY BREAK-IN NEW PISTONS AND RINGS.
FIT