Hayden Crankcase Venting System - Twins/Sportsters — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)

Hayden crankcase venting system engineered to regulate V-twin engine breathing and prevent blown or weeping gaskets. Delivers proper crankcase vacuum across all RPM ranges, improving throttle response and adding 2-8% usable rear wheel horsepower.

Features

• Prevents blown or weeping gaskets
• Maintains proper crankcase vacuum at all RPM ranges
• Quicker throttle response
• Gains 2-8% rear wheel horsepower
• Snap-open design for easy cleaning
• Lightweight and compact, position-unrestricted fit

Specifications

• Brand: Hayden
• Manufacturer Part #: KVP
• Weight: 0.3422 lbs

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

Will this fit my Harley-Davidson?

Yes — the venting system is designed to fit all Harley-Davidson models with V-twin engines without position restrictions.

What does a crankcase venting system do?

It regulates engine breathing to maintain proper crankcase vacuum, which prevents gasket leaks and improves throttle response and power.

How much horsepower will I gain?

Dyno testing shows 2-8% gains in usable rear wheel horsepower, depending on your engine combination and setup.

Is it easy to maintain?

Yes — the system snaps open for quick cleaning and inspection without tools.