M8 Big Bore Kit, 114 to 128, Black with Highlighting, 4.250 bore x 4.5 stroke

Features & Benefits

• Available 114 M8 models
• Available in both highlighted and non highlighted versions
• 114 to 128″ 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.