Kens Factory External Vent Option Kit - Black for NXT Air Cleaners - Harley Touring, Softail, Dyna
About Kens Factory
Ken's Factory builds machined billet accessories for Harley-Davidson from Japan, known for a distinct design language and finish quality that stands out on a custom build.
The Kens Factory External Vent Option Kit in black allows you to reroute cylinder head pressure externally, preventing it from recirculating back into your throttle body. This black powder-coated kit is designed to work specifically with NXT air cleaners, ensuring a clean and efficient setup for your Harley-Davidson V-twin.
Why riders pick this
- Vents cylinder head pressure externally
- Black powder coat finish for a custom look
- Includes special bolt, washer, O-rings, and nipples
- Reduces oil vapor recirculation for cleaner intake
- Designed for Kens Factory NXT air cleaners
For riders looking to optimize their engine's breathing and maintain a clean intake, the Kens Factory External Vent Option Kit is a crucial upgrade. Finished in a durable black powder coat, this kit diverts crankcase gases away from the throttle body, reducing oil vapor recirculation. It's engineered for a precise fit with Kens Factory NXT air cleaners on a range of Harley-Davidson Touring, Softail, and Dyna models.
Enhance Engine Efficiency
- Reroutes cylinder head pressure externally for a cleaner intake charge
- Durable black powder coat finish for a stealthy look
- Includes all necessary hardware and fittings for a direct installation
- Designed for Kens Factory NXT air cleaners on Harley-Davidson V-twins
Clean Air for Peak Performance
By preventing the reintroduction of hot, oily crankcase gases into the combustion chamber, this external vent kit helps your engine run cooler and cleaner. It's an ideal addition for any performance-minded rider who wants to maximize the efficiency of their V-twin, especially when combined with a high-flow air cleaner and a custom dyno tune. Ensure your bike is equipped with a Kens Factory NXT air cleaner for proper fitment.
Specifications
- Brand: Kens Factory
- Manufacturer Part #: NXT-EXB
- Finish: Black powder coat
- Length: 3 in
- Width: 3 in
- Height: 0.45 in
- Weight: 0.1 lbs
- Country of Origin: Japan
Common questions
What is the purpose of this external vent kit?
This kit redirects cylinder head pressure outside the throttle body, preventing it from recirculating back into the intake. This results in a cleaner air charge for improved engine performance.
Will I need to make any adjustments after installing this kit?
Possibly. Venting head pressure externally can alter your engine's breathing characteristics, so a dyno tune may be beneficial to optimize your air/fuel mixture, especially if you have other performance upgrades.
What is included with the kit?
The kit comes with a special mounting bolt, washer, O-rings, and two 1/8" NPT nipples. You will need to supply your own 5/16" hose to complete the installation.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Kens Factory |
| TYPE | Intake/Carb/Fuel System |
| SKU | 563-03139 |
| WEIGHT | 0.1 lb |
