K&N 85-1662 Marine Style Vent Hose Adapter for Air Filters

Universal adapters for smog tubes, crankcase and valve cover vents. Requires drilling hole in air filter base or valve cover. All come with mounting hardware and gasket.

Mounting bracket assembly to securely support K&N Universal Air Filters to your vehicle.

K&N 85-2003 pre-cut foam insert for 2017-2019 Ford F-250, F-350, F-450, and F-550 Super Duty (DSL models). Replaces OEM foam block for improved filtration in your diesel truck air box. Washable...

K&N Plenums and adapters for the Weber DGV carburetor allow for smooth airflow into your engine.

Constructed with a synthetic filter media, this crankcase vent filter comes with a K&N embossed rubber top and steel base. The tube is 1/2 inch in diameter and clamps directly on to metal or...