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Hayden Krank Vent Plus Crankcase Breather For Harley

Designed for seamless installation on the crankcase breather hose, this device optimizes air control beneath the pistons by sustaining the correct vacuum level within the crankcase across various RPMs. It enhances the sealing efficiency, thanks to a greater pressure differential across the compression ring, ensuring superior performance and reliability.

Features:

  • 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
Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style Hayden Krank Vent Plus Crankcase Breather For Harley J&P Cycles Item #1038180 Catalog Number740-589 Store Sku MFR. Product #KV AvailabilityOnly 1 Left: Ships within 24 hours
Fitment Notes & Exceptions
  • Fits Pre-1993 Big Twin models with a crankcase breather
  • Will not fit 1993-Up head-breather models
Product Description
Part Numbers
Fitment
2 Customer Reviews
2 5/5
1 Questions & 2 Answers
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