Images are for illustrative purposes only and may not reflect the actual product
S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Highlighted Cylinders
S&S Cycle
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
Choose options
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
Please be advised that no returns, cancellations, or refunds allowed on Special Orders once it has been placed on order regardless of the circumstances.
The biggest Big Bore possible with a slip in kit! This S&S cylinder and piston kit takes your 107" M8 to 129" and the 114" to 132".
Subscribe to our newsletter
Promotions, new products arrivals and latest releases, sales and discounts. Directly to your inbox.