S&S Cycle 128" Big Bore Kit M8 114"/117" Engines Wrinkle Finish w/o Highlighted Fins


Usually Ships In 24-48 Hours
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  • The Big Bore kit yields excellent results with stock cylinder heads
  • Easy installation: no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)
  • Cylinders are constructed from premium aluminum castings with cast-in iron liners
  • Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
  • Black or silver powder-coat finish
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.