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K&N Aprilia Rs660 659Cc 21-23 - AL-6620

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing...

K&N Carb Adaptor Mikuni BN38/37-B1 - 85-9294

K&N marine carburetor adapters make connecting K&N flame arrestors to personal watercraft carburetors quick and easy. Add performance by replacing your restrictive factory airbox with a K&N flame arrestor and adapter.This Part...

K&N Ap-251 2 1/2 Ex. Clip - 85-5192

AP-251, 2 1/2 Spring CLIP

K&N Baseplate 14in od7-5/16in flg. - 85-3552

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

K&N Carb Adap Keihin Flat Slide - 85-3000

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

K&N Oxygen Sensor Plug - 85-21686

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 Vent Kit Marine 1/2in flg 4in h - 85-1450

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 Vent Kit 90 Deg 1/2in flg W/Grmt - 85-1150

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 Stubstack - Holley 2300 - 85-0210

The K&N Stubstack is designed to increase the airflow of carburetors by decreasing the restriction around the choke horn. The Stubstack fits inside the air cleaner housing and slides snugly down over the choke horn. This K&N Stubstack fits the majority...

K&N Replacement Filter 25 Micron - 81-1008

This stainless steel filter element replaces the filter inside a K&N inline fuel/oil filter. Perfect for racing applications, these filters can be used with a variety of oils and fuels including methanol.

K&N Catch Can Oil Separator Toyota Tundra 3.5L 22-23 - 81-0815

The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir. This helps prevent power loss and possible engine damage caused by blowby. The K&N Air Oil Separator is quick...

K&N Catch Can Oil Separator Ford Bronco 2.7L 21-22 - 81-0810

The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir. This helps prevent power loss and possible engine damage caused by blowby. The K&N Air Oil Separator is quick...