Wiseco Piston Kit (1.00mm Oversize) – 1989-91 Ski Doo 521cc

Wiseco Piston Kit (SK1217)
1.00mm Over Std Bore

• 72mm Std Bore
  – This kit is 73.00mm – which is 1.00mm overbore
• 64mm StrokeCast Iron BorePro-Lite

  Fits 536 ENGINE TYPE:

• 1989-91 Formula Plus 521-Wiseco piston KITS include a set (enough for a complete engine) of matched and balanced pistons (2373M07300), rings (2874LK), pin (S513), and circlips (CW18) and a complete top end gasket set