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About S&S Cycle Stock Bore Stroker Kit

S&S Cycle Stock Bore Stroker Kit

  • Upgrades 74in. and 80in. Shovelhead engines to 84in. displacement at approximately 8. 4:1 or 7. 3:1 compression (depending on pistons used)
  • Includes a dynamically balanced 4 1/2in. stroke flywheel assembly complete with S&S heavy-duty connecting rods and mainshafts
  • Reuse the stock cylinders, saving cost and retaining stock appearance of the engine
  • Minor crankcase and cylinder modifications are required that can easily be done with hand tools
  • Kit requires special pistons which must be ordered separately (Contact S&S for required pistons).

Warning:  California Proposition 65

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