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Wiseco Piston Kit SK1232: 1991-92, 1994 Ski Doo 643cc, 76.5mm Bore (0.5mm Over)

Engineered, forged, and machined in the USA in Mentor, OH
Designed and built for each specific 2-stroke powersports engine
Improved tensile strength of forged material optimizes strength and service life
Cast Iron Bore, Pro-Lite

Fits 643 Engine:

Included Components	Piston #2376M07650 (x2), Ring Set #3012LT (x2), Wrist Pin #S477 (x2), CirClip #CW18 (x2), Gasket #W5248
Bore Diameter	76.50 MM
Piston Diameter	76.40 MM
Skirt Coating	Yes
Piston Oversize	0.50 MM Over Bore (Standard Bore = 76.00 MM)