129" Big-Bore Kit 4.375" Stroke Non-Highlighted Cylinders for 2017-up M8 Models
Choose Favorites List

129" Big-Bore Kit 4.375" Stroke Non-Highlighted Cylinders for 2017-up M8 Models

129" Big-Bore Kit 4.375" Stroke Non-Highlighted Cylinders for 2017-up M8 Models

Item #: 910-0844
0.0 out of 5
0 reviews | Write a Review
$1,544.95

These parts are flying off our shelves and we're currently out.
Click the link below to check stock at your nearest dealer.

Enter your email address below to receive notification when it becomes available.

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  

Customer Reviews

There are no reviews for this product yet. Be the first!

Write a Review

Required
Would you recommend this product?
Disclaimer

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.