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s&S 910-0844 129″ Big Bore Kit wrinkle black m8 harley 17-24

MSRP: $1,599.00
Was: $1,599.00
Now: $1,439.00
(You save $160.00 )
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s&S 910-0844 129″ Big Bore Kit wrinkle black m8 harley 17-24

The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your 107" M8 to 129" and the 114" to 132".

  • 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