S&S M8 big bore kit 124/129/128/132

S&S big bore kit 

Make your 107 a 124 or a 129!

Or your 114 a 124 or a 132!

• Bolt-on without requiring machining of the crankcase
• Original engine serial numbers are retained
• Powder coat finish matches factory finish
• MLS (multi-layered steel) head gaskets
• Retains stock engine height
• Includes cam cover badge
• All necessary gaskets and hardware required for installation is included
• Made in the USA