K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish - 85-3549

K&N 14 inch air filter drop base plates for replacement or special application needs.

K&N Filter Minder - Push In - 85-2445

A Filter Minder works as air filter service indicator that monitor air filter restriction and indicates when the air filter should be serviced. As the air filter gets dirty, the yellow position...

K&N Filter Minder - Screw In - 85-2444

A Filter Minder works as air filter service indicator that monitor air filter restriction and indicates when the air filter should be serviced. As the air filter gets dirty, the yellow position...

K&N Oxygen Sensor Bushing 18mm - 85-21688

K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator of reusable cotton...

K&N Air Filter Foam Insert Block DSL Only (E-0644) - 85-2003

This is an optional foam piece which replaces the OEM foam block. For DSL model onlyInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2017-2019FordF-250 Super DutyKing...

K&N Marine Air Filter Vent Kit 5/8in Flange 6in Height - 85-1662

K&N Marine Style Vent Hose Adapters mount between the top and bottom plates of a custom chrome air filter assembly. Vent adapters accommodate breather hoses without drilling into the filter base.

K&N Metal Base Plate - 14in OD / 5 1/8in Flange / 9/16in Rise - 85-1541

K&N 14 inch air filter base plates for replacement or special application needs.

K&N Plastic Vent Kit 5/8in & 3/4in Flange - 85-1130

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.

K&N Air Filter Vent Kit - White - 90 Degree Plastic 0.50in Flange 1.75in H 1.75in L - 85-1120

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.

K&N Carburetor Adapter DGAV to 5-1/8in FLG - 85-1061

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

K&N Universal Plenum 11.89in L x 9in Dia x 4.75in H - Black - 85-1060

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

K&N Stubstack Air Horn 6.77in L x 6.77in W x 1.5in H - 85-0700

K&N Stubstack for EDELBROCK Square-Bore Carburetors fits the majority of Edelbrock Square-Bore carburetors. This Stubstack is designed to fit most models within this series. It straightens and speeds...