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About S&S Cycle Super Stock Cylinder Head Replacement Valve

S&S Cycle Super Stock Cylinder Head Replacement Valve

  • For 89cc/91cc
  • 89cc/91cc heads are found on S&S Twin Cam-style motors and Evolution-style motors and use 2. 000in. intake valves and 1. 605in. exhaust valves
  • Exhaust made of Inconel alloy, Intake made of chrome stainless
  • Made in the USA.
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