Feuling Rocker Box Breather Kit for Twin Cam

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Upgrade the crankcase breathing system on your Harley-Davidson Twin Cam with the Feuling Rocker Box Breather Kit. Machined from billet 6061 aluminum, these breather housings featur e square sealing surfaces and properly sized breather holes to promote effective engine breathing and reliable gasket sealing. Finished in Feuling red anodize and made in the USA, the kit includes the components needed to upgrade the rocker box breather system, including billet breather housings, filter elements, umbrella valves, gaskets, and ARP® hardware. Rebuild Kits available here! Note: Top rocker cover gaskets sold separately Show more