S&S M8 Big Bore Kit, 107 to 124, Black, 4.250 bore x 4.375 stroke
- Available for 107 M8 models
- Available in both highlighted and non highlighted versions
- 107 to 124" big bore kit
- Wrinkle black finish
- Highlighted Fins
- Bolt on kit. No Machining Required
- includes gaskets and hardware required for installation
- 4.250" bore
- Forged Pistons
- 11:1 compression ratio
***We recommend using S&S Cycle Head Bolts for M8, part number 900-1006 for all big bore applications.
Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.
