Active filters
Lengthened intake runners and a high-flow billet velocity stack deliver increased airflow and balanced dynamic flow. One-piece design and a washable 2.5" filter simplify installation and service; dyno tested and made in the USA.
1-3/8" velocity stack for BA air cleaners with a fade-resistant finish; enables color customization.
1-3/8" velocity stack for BA air cleaners. Fade-resistant finish and customizable color combinations.
Complete rebuild kit includes spacer, gaskets, O-rings and bolts. Made in the USA; restores sealing and performance.
Complete rebuild kit for air cleaner. Includes spacer, two gaskets, four O-rings and six bolts. Made in the USA.
Field-serviceable breather line kit with filter element and quick-disconnect fitting. Made in the USA. Fits vented dipsticks.
Rebuild kit for Feuling® and OEM Twin Cam Rocker Box breathers. Includes two umbrella valves, two filters and four gaskets. Made in the USA.