Speed Dealer Performance Head Breather Kits - Knurled Body

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  • Regular price $126.95
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Made In the USA By Speed Dealer Customs


  • *Similar specs to Doherty Style Breathers - WCC Chopper Set ups
  • *Reduces blow by oil mist
  • *Decreases crankcase pressure
  • *Stops gasket leaks
  • *Equipped with umbrella valves, vents out and never back in
  • *Will fit 93- and up EVO type Harley Davidson Motor
  • Harley Davidson 1991 and up Sportster
  • Not for use with an S&S 117 motor. 

Kit Includes:
*2 6061 Aluminum Bodies to accept Viton "O" Rings
  (Bodies are Knurled)
*2 Machined 304 Stainless Steel Mounting Bolts -- 1/2-13 Thread included. 
*4 High Temperature Viton "O" Rings

Available in 2 Finishes:
* Black Anodized
* Polished

Will not fit 98-01 Magneti Marelli Fuel Injection and '08 and later FLH models.

Breathers are equipped with 1/2-13 thread mounting bolts, if needed a 3/8-16 thread bolt is available but must be requested. Please send us a message or add a note to your cart.