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S&S 910-0843 129" Big-Bore Kit 4.375" Stroke Highlighted M8 17-23

MSRP: $1,544.00
Was: $1,544.00
Now: $1,332.00
(You save $212.00 )
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S&S 910-0843 129" Big-Bore Kit 4.375" Stroke Highlighted HARLEY SOFTAIL & TOURING M8 17-23 

The biggest Big Bore possible with a slip in kit! These S&S cylinder and piston kits 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  

 

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