Breather Kits & Components

Properly sized breather holes optimize engine breathing. Machined from billet 6061 aluminum with square surfaces promoting excellent gasket and breather system sealing.

The Milwaukee Twins 1/2″ Head Breather Bolt Kit for Harley, featuring brilliant chrome plating, provides all necessary breather bolts and fittings. It offers a sleek and reliable upgrade for your breather setup, effortlessly enhancing durability and visual appeal. Formerly offered under the J&P Cycles brand.

The Milwaukee Twins Braided Hose Crankcase Breather Kit enhances both the functionality and the aesthetics of a motorcycle. This kit comes equipped with a 3/8″ I.D. braided hose and chrome banjo fittings that are not only sturdy but also add a stylish edge. Its extended outlet hose allows for discreet placement of the filter, promoting a sleek and uncluttered appearance, perfect for customizing to individual preferences. Formerly offered under the J&P Cycles brand.

The S&S Cycle Billet Head Breather Kit is expertly crafted from high-quality 6061 aluminum and features a striking anodized finish in S&S blue for a perfect blend of aesthetics and functionality. It incorporates a unique Labyrinth design inside to significantly cut down on oil pass-through, ensuring a cleaner engine operation. This billet construction outperforms standard plastic units by providing a better seal at the head, thereby minimizing leaks and enhancing overall performance.

The S&S Reed Breather Valve is designed to solve oil leakage issues in high-performance engines. It operates on crankcase pressure, eliminating the need for a rotary gear, thereby reducing the chances of failure. Installation is straightforward, requiring no alignment or rotation of parts. For engines with damaged cases, an oversize version is available, allowing machining of the breather bore for a precise fit. This valve ensures robust performance and reliability for engines under strain.

V-Twin Mfg. Chrome Sifton Engine Breather Oil Collector