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About WSM High-Performance Big Bore Cylinder Sleeve

WSM High-Performance Big Bore Cylinder Sleeve

  • Outside diameter 76mm; top flange 79mm
  • This sleeve will accept pistons from 68mm to 70. 5mm oversized
  • Slightly modified port configuration increases horsepower
  • No case modifications necessary
  • Sold each.

Warning:  California Proposition 65

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