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Exhaust
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31-2096

S&S Cycle Crankcase Breather Reed Valve

Diameter - Thread Size
  • New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when pressure in the cam chest is equal to or greater than pressure in the crankcase