S&S Cycle 132" Big Bore Highlighted Cylinder Piston Kit Harley M8 Milwakue 114

$1,649.95 $1,649.95 To see product price, add this item to your cart. You can always remove it later. What's this?
In stock
SKU
SS910-0845

The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your 114" M8 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
  • 4.5" Stroke
  • Retains stock engine height 
  • Includes Cubic Inch Cam Cover Badge 
  • Made in USA  

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.

The biggest Big Bore possible with a slip in kit! The S&S 4.320" bore cylinder kit takes your 114" M8 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
  • 4.5" Stroke
  • Retains stock engine height 
  • Includes Cubic Inch Cam Cover Badge 
  • Made in USA  

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.

2017-up 114" Harley M8 Models - NON CVO

Manufacturer's Warranty

Price Match Guarantee
© 2025 Eastern Performance. All Rights Reserved.