Hayden Krank Vent Plus Crankcase Breather For Harley
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Hayden Krank Vent Plus Crankcase Breather For Harley

Installs on your crankcase breather hose and controls the air under the pistons by maintaining the proper amount of vacuum in the crankcase at any rpm. A better seal is achieved due to an increased pressure differential across the compression ring


  • Designed to give a 2-7 horsepower increase with a deeper motor sound
  • Comes apart for easy cleaning
  • 3/8" barbed outlets
  • Made in the USA

Fitment Notes & Exceptions

This is a universal fit part; it may or may not fit without modification.

  • Fits Pre-1993 Big Twin models with a crankcase breather
  • Will not fit 1993-Up head-breather models
Product Style RevZilla Item # Manufacturer Product # Availability
Hayden Krank Vent Plus Crankcase Breather For Harley 1038180 KV Available: Requires 1-3 business days lead time prior to shipment


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