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About S&S Cycle 124in. Big Bore Kit

S&S Cycle 124in. Big Bore Kit

  • The Big Bore kit yields excellent results with stock cylinder heads (not for Twin Cooled motors)
  • Easy installation: no need to bore or split existing cases, just swap the cylinders (unless 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 USA
  • NOTE: This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Warning:  California Proposition 65

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