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

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 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 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...

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...

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...

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...

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 adapters allow for even more air filter applications.

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...

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...