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About S&S Cycle M-Eight Flywheel Assemblies

S&S Cycle M-Eight Flywheel Assemblies

  • Consistent balance and precision machining
  • Heat-treated 4140 material is harder and 114% stronger than stock
  • S&S high-strength connecting rods are perfect for use with gear drive cams
  • Available with either full width or tapered wristpin connecting rods
  • Choose from 4-3/8in, 4-1/2in or 4-5/8in stroke, with or without balancer gear
  • No welding required.

Warning:  California Proposition 65

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