A set of TC Bros breather bolts for all Harley Twin Cam Engines, including crankcase venting.
A set of TC Bros breather bolts for all Harley Twin Cam Engines, including crankcase venting.
A set of TC Bros breather bolts for all Harley Twin Cam Engines, including crankcase venting.
TC Bros Breather Bolts For all Harley Twin Cam Engines by TC Bros. aftermarket air cleaners.

TC Bros Breather Bolts For all Harley Twin Cam Engines

SKU: 109-0166

$44.95
/
or 4 payments of $11.24 with
ⓘ
  • In stock
  • Inventory on the way
  • Hassle Free 90 Day Returns
  • Free USA Shipping For Orders Over $99*
  • Free Tech Support M-F 8:30am-4:30pm EST
  • We Ship Fast! No Backorders, No Drop Shipping, No BS.
Product Videos

TC Bros Breather Bolts For all Harley Twin Cam Engines

TC Bros. Breather Bolts For your 1999-2017 Twin Cam Harley Motors (does not fit Sportster models). These bolts are the cleanest way to solve your crankcase venting issues when installing aftermarket air cleaners on your Harley.

They are fully CNC machined 6061 aluminum that is polished for a super clean look! They include stainless steel vent screens, stainless washers, circlips and foam filter elements.
No more ugly hoses and bulky breather filters to deal with!

MADE IN USA!

Note: NOT LEGAL FOR SALE OR USE IN CALIFORNIA

Read More

Fits all Twin cam engines. Twin cam engines were produced from 1999-2017 in the following displacements: 88 cu in, 96 cu in, 103 cu in, 110 cu in.

109-0166

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

California: ⚠️WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Customer Reviews
4.9 Based on 21 Reviews
5 ★
90% 
19
4 ★
10% 
2
3 ★
0% 
0
2 ★
0% 
0
1 ★
0% 
0
Customer Photos
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Lupei
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Fred Gi
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Chris Oversoni
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Shawn Ehlerti
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Jason Potthoffi
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Jason Potthoffi
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Joshua Martini
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Joshua Martini
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Arthur Caldwelli
TC Bros Breather Bolts For all Harley Twin Cam Engines - Customer Photo From Arthur Caldwelli
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
L
03/05/2022
Lupe
US
I recommend this product

09 street bob

Theses breather bolts look amazing. I would make sure the snap ring is seated.

TC Bros. TC Bros Breather Bolts For all Harley Twin Cam Engines Review
Share   |   Facebook  •  Twitter
Was this helpful?  1    0
FG
01/24/2022
Fred G.
United States
I recommend this product

Breather bolts

Nice breather bolts for the money, I couldn’t put another mile on my 2021 xl883n knowing it had oil mist going into my jugs so yes 245 miles later no longer an issue highly recommend !!

TC Bros. TC Bros Breather Bolts For all Harley Twin Cam Engines Review
Share   |   Facebook  •  Twitter
Was this helpful?  0    0
CO
01/07/2022
Chris O.
US
I recommend this product

Nice product

Overall i like these breathers they are aluminum so take caution when tightening them. I will be curious how often one should clean the filters.

TC Bros. TC Bros Breather Bolts For all Harley Twin Cam Engines Review
Share   |   Facebook  •  Twitter
Was this helpful?  0    0

Trending Products

Close-up of a motorcycle's handlebars featuring yellow brackets and TC Bros. Pro Series Pullback Truss Riser for Harley M8 Softail Digital Gauge, highlighting American craftsmanship in the detailed control buttons and grips, with rear-view mirrors reflecting the paved surface below.
Close-up of a motorcycle's handlebars featuring yellow brackets and TC Bros. Pro Series Pullback Truss Riser for Harley M8 Softail Digital Gauge, highlighting American craftsmanship in the detailed control buttons and grips, with rear-view mirrors reflecting the paved surface below.
TC Bros.
TC Bros. Pro Series Pullback Truss Riser fits Harley M8 Softail Digital Gauge
from $549.95
The TC Bros. Pro Series Pullback Truss Risers for Harley models by TC Bros. are CNC-machined, anodized metal handlebar risers available in gold, black, and silver. They feature a geometric design with visible bolts, perfect for Harley Davidson enthusiasts.
The TC Bros. Pro Series Pullback Truss Risers for Harley models by TC Bros. are CNC-machined, anodized metal handlebar risers available in gold, black, and silver. They feature a geometric design with visible bolts, perfect for Harley Davidson enthusiasts.
TC Bros.
TC Bros. Pro Series Pullback Truss Risers for Harley Models
from $499.95
A set of four TC Bros. Pro Series Modular Pullback Risers on a white background.
A set of four TC Bros. Pro Series Modular Pullback Risers on a white background.
TC Bros.
TC Bros. Pro Series Modular Pullback Risers
$374.95
32 reviews
Two Moto Iron® chrome motorcycle brake and clutch levers isolated on a white background.
Two Moto Iron® chrome motorcycle brake and clutch levers isolated on a white background.
Moto Iron®
1" Vintage Handlebar Control Kit with Master Cylinder & Clutch (Chrome)Harley and Custom Motorcycle
$349.95
67 reviews
A TC Bros. Sportster Hardtail Kit for 1982-2003 (Weld On) by TC Bros. with a steel frame and bolts and nuts, perfect for installing a stock width wheel onto the motorcycle.
A Sportster Hardtail Kit for 1982-2003 by TC Bros. (Weld On) fits Stock 130-150 Tire motorcycle is shown on a white background.
TC Bros.
Sportster Hardtail Kit for 1982-2003 by TC Bros. (Weld On) fits Stock 130-150 Tire
$424.95
136 reviews
A set of TC Bros. Dyna Mid Controls Kit (NO PEGS) fits 1991-2017 for a black car.
2019 TC Bros. Dyna Mid Controls Kit (NO PEGS) fits 1991-2017, made in the USA, in San Diego, California - photo.
TC Bros.
TC Bros. Dyna Mid Controls Kit (NO PEGS) fits 1991-2017
$374.95
14 reviews
The TC Bros. 11.8in Profile™ Front Floating Brake Rotor for 2006-up Harley models features CNC machined billet aluminum with a black center, silver outer edge, multiple holes, and a wavy design, blending style and performance for an enhanced riding experience.
The TC Bros. 11.8in Profile™ Front Floating Brake Rotor for 2006-up Harley models features CNC machined billet aluminum with a black center, silver outer edge, multiple holes, and a wavy design, blending style and performance for an enhanced riding experience.
TC Bros.
TC Bros. 11.8in Profile™ Front Floating Brake Rotor for 2006-up Harley Models
$199.95
5 reviews
The TC Bros. Extended Fork Tube Kit +6" 39mm for Sportster/ Dyna Narrow Glide features a Hard Chrome Finish on its Fork Tubes, providing a sleek and durable look.
Fitment Notes: TC Bros. Extended Fork Tube Kit +6
TC Bros.
Extended Fork Tube Kit +6" 39mm for Sportster/ Dyna Narrow Glide
$249.95
119 reviews
A SP Concepts Big Bore Exhaust for the M8 Softail ST & Sport Glide 2018-Present (stainless) with an American flag on it.
An SP Concepts Big Bore Exhaust M8 Softail ST & Sport Glide 2018-Present (stainless) motorcycle is parked in a garage.
SP Concepts
SP Concepts Big Bore Exhaust M8 Softail ST & Sport Glide 2018-Present (stainless)
$1,199.00
1 review
Moto Iron® Springer Front End Brake Caliper Kit Left Side Chrome - high performance 4 piston caliper.
The Moto Iron® Springer Front End Brake Caliper Kit Left Side Chrome, a high performance 4 piston caliper, is shown on a white background.
Moto Iron®
Springer Front End Brake Caliper Kit Left Side Chrome
$219.95
83 reviews
View all
View all
25 products