M8 Big Bore Kit, 114 to 128, Black with no Highlighting, 4.250 bore x 4.5 stroke
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M8 Big Bore Kit, 114 to 128, Black with no Highlighting, 4.250 bore x 4.5 stroke

M8 Big Bore Kit, 114 to 128, Black with no Highlighting, 4.250 bore x 4.5 stroke

Item #: 910-0685
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$1,561.95

Features & Benefits

  • Available for 114 M8 models
  • Available in both highlighted and non highlighted versions
  • 114 to 128" big bore kit
  • Wrinkle black finish
  • Non-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.

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Disclaimer FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.