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

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

Regular price $1,178.95
Unit price  per 
Tax included.

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.