Air Intake Components

K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish - 85-3540

This K&N 14 inch air filter base plate is used 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 indicator moves in the clear window of the service indicator...

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 indicator moves in the clear window of the service indicator...

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 gauze filter technology for automotive applications.

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 onlyThis Part Fits:YearMakeModelSubmodel2017-2019FordF-250 Super DutyKing Ranch2017-2019FordF-250 Super DutyLariat2018-2019FordF-250 Super DutyLimited2017-2019FordF-250 Super...

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 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 up airflow, reduces turbulence, improves metering...

K&N Stubstack Air Horn 5.13in L x 5.13in W x 1.68in H - 85-0400

This K&N Stubstack is designed to be used with Holley 390-850 cfm square bore carbs (4150/4160), that have had the choke horn milled off and still use an air cleaner. Eliminates the need for hand polishing and radius work. Will work with all K&N Custom...

K&N Polyurethane Accessories Stubstack Air Horn - 6.96in Length x 6.96in Width x 1.69in Height - 85-0200

K&N Stubstack for Holley 4150/4160 Series Carburetors. Fits most Holley 4150 and some 4160 Series carburetors with high and low choke horns. The 85-0200 is designed to fit 4 barrel popular models in this series. Holley carburetor list numbers are stamped...

K&N 2in OD x 9in L 12AN 25 Micron In-Line Fuel/Oil FIlter - 81-1005

K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be used to filter a variety of oils and fuels including methanol. The filter material is made from...

K&N Stainless Mesh Fuel Filter 12in LN Gas Filter .25in FLG 1.75in L - 81-0230

The K&N 81-0230 In-Line Gas Filter is perfect for racing applications and can be used with a variety of oils and fuels including methanol. The 81-0230 stainless mesh in-line fuel filter has a flange diameter of 1/4 inches. It comes with a 1-11/32 inch...

K&N Stainless Mesh Fuel Filter 0.99in OD x 2.15in L - 81-0221

The K&N 81-0221 In-Line Gas Filter is perfect for racing applications and can be used with a variety of oils and fuels including methanol. The 81-0221 sintered porous bronze in-line fuel filter has a flange diameter of 1/4 inch. It comes with a 1 inch...

K&N Custom Velocity Stack Assembly - Red - Size: 11 in - 58-1191

This complete air filter assembly has an all stainless steel top and base with a mirror finish. It's velocity stack has a 5-1/8 inch flange and the total height is 10 inches in height. It has an open 360 degree free breathing 9 inch Filtercharger air...

K&N Velocity Stack Assembly - Red - 5-1/8in x 9in Dia 2-3/4in Flange - 58-1190

This complete air filter assembly has an all stainless steel top and base with a mirror finish. It's velocity stack has a 5-1/8 inch flange and the total height is 8-1/4 inches in height. It has an open 360 degree free breathing 9 inch Filtercharger air...

K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1

K&N adapters allow for even more air filter applications.

K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/ Base and Hardware - Large - 100-8592

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car Style air box provides ample air flow for your racing...

K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - Large - 100-8591

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car Style air box provides ample air flow for your racing...

K&N Custom Racing Assembly Carbon Fiber Air Box - Large Solid Base Only - 100-8590

K&N's carbon fiber composites have an attractive cosmetic appeal, and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry. Carbon fiber composites have taken the method traditionally associated with...

K&N Custom Racing Assembly 19in x 4.75in Carbon Fiber Air Filter - 100-8576

K&N's carbon fiber composites have an attractive cosmetic appeal, and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry. Carbon fiber composites have taken the method traditionally associated with...

K&N Custom Racing Assembly 18.9in x 6.25in Carbon Fiber Air Filter - 100-8575

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car Style air box provides ample air flow for your racing...

K&N Custom Racing Assembly 19in x 6.5in Carbon Fiber Air Filter - 100-8570

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car Style air box provides ample air flow for your racing...