DK Custom Products

Phone: 662.252.8828
Text: 662.420.4891

Polished Aluminum Breather Bolts Harley-Davidson TWIN CAM

Availability: In stock
Manufacturer: DK Custom Products


Polished Aluminum Breather Bolts Harley Davidson Stealth External Breather System Sportster & Big Twin Evo DK Custom Outlaw Air Cleaner EBS Roadster  High Flow M-8 Milwaukee-Eight Softail Twin Cam Dyna 72 48 Big Twin Evo Nightster Iron Catch Can Stage I





MADE in The USA!

DK Custom Products/Meadows Moto



  • Machined From Aircraft Aluminum Stock
  • Dual Screens with Filter
  • Set of Two
  • FITS TWIN CAM Motor 
  • No More Hoses
  • Made in The USA!
  • Mfg. Exclusively for DK Custom Products by Meadows Moto & Machine


 Polished Aluminum Breather Bolts Harley-Davidson TWIN CAM

This pair of Polished Aluminum Breather Bolts will really clean up your ride!  No more hoses or filter.  The filter is built into the bolt.

The EPA has required Harley to route hot, dirty, oily crankcase air back into the air cleaner compromising the performance of your engine. This vents it without compromising the performance or longevity of your motor.

Caution:  Motorcycles modified with this DK Custom Products High-Performance part may not be legal for public highway use in some areas.  The user shall determine suitability of this product for his or her use.

With the Outlaw Racing Breather Bolts you will experience a slight performance increase.  This is because engines like Cold Dry air!

Also available in Solid Brass and Anodized Black.  These are a must-have when doing your Stage 1 upgrade.

E-Z Install

Fits All Twin Cam & Milwaukee-Eight Motors (1999-Up)

Fitment Notes:

These are made to work in conjunction with a standard after-market support bracket which is about 1/8" thick.  The thread length on the OUTLAW Breather Bolts is 3/4".


"Cleans up the look big time.  Very little mist, and only when I'm hammering it." -Stevo

Customer Reviews

Fantastic Review by jimijoe
I opted for this style of crank vent because I don't have any carryover issues and didn't want any unsightly hoses hanging off of the engine, so yours fit the bill exactly and are a GREAT product! (Posted on 11/10/2022)
Works as advertised. Better options available. Review by Joe Z
These were easy to install. They do as advertised, but you will get oil on your bike. (Posted on 4/25/2022)
Awesome! Review by Shane
Great product and can’t ask for better customer service. (Posted on 8/5/2021)
Looks good and works great! Review by Gary
This is a quality made part and an inexpensive alternative to hoses and collection containers some crankcase engine breathers use. I’ve had no issues of excess oil on the engine. Oil vapor seems to be drawn away as air circulates around engine & actually seems cleaner than oil collecting in the intake breather/throttle body or a collection container. This may not be the case for all, but works great for me. Easy to install, looks good and work well. Very happy! (Posted on 8/4/2021)
Look good, work very well Review by Jim
Breather bolts look good and work very well. Ordered on Saturday and received on Tuesday. I will definitely be ordering products from DK customs in the future. (Posted on 7/18/2021)
They Look Great! Review by Lee
I dig the polished aluminum look. Very clean looking on the motor. They keep all the nasty stuff out of your intake! (Posted on 4/21/2021)
Work as expected! Review by RDinGA
Great product and now the blowby doesn't gum up my throttle body! (Posted on 8/29/2019)

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.