S&S 910-1008A 132 / 136 4.320" Big bore kit for 114 /117 Harley M8 132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black with Highlighted Fins - M8
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S&S 910-1008A 132 / 136 4.320" Big bore kit for 114 /117 Harley M8

$1,831.45 $1,611.73
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Width:
12.00 (in)
Height:
12.00 (in)
Depth:
12.00 (in)
Current Stock:
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Description

S&S 910-1008A 132 / 136 4.320" Big bore kit for 114 /117 Harley M8

132" High Compression | 136" Big Bore Kit - 4.320" Bore - Black with Highlighted Fins - M8

 

The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your M8  114" to 132"  & 117" to 139" 

  • Huge bore increase means huge power increase 
  • Works with stock crankcases (no machine work) 
  • Powder coat finish matches factory finish, 
  • MLS (multi-layered steel) head gaskets 
  • 4.320" Bore 
  • Retains stock engine height 
  • Includes Cubic Inch Cam Cover Badge 
  • Made in USA