Air Filters

Spectre's High Performance Push-In Breather was designed for valve covers with a 1-1/4 inch breather hole. With a triple chrome-plated steel top and base and an overall height of 3-1/4 inches, this...

Spectre's PCV Valve Breathers feature a 3/4 inch PCV valve integrated into the assembly. The breather replaces the PCV valves and provides breather looks while allowing for emissions systems to...

Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. This valve cover breather has been designed to accommodate PCV tubes and features an...

Spectre's 1 inch Valve Cover Breather Push-In with Tube is for all valve covers with 1-1/4 inch breather holes. This valve cover breather has been designed to accommodate PCV tubes and features an...

Spectre's Valve Cover Breather Push-in features an internal baffle to prevent oil splash and provide superior ventilation. This valve cover was designed for 1-1/4 inch breather holes, with a 1 inch...

Spectre's Valve Cover Breather Push-in features an internal baffle to prevent oil splash and provide superior ventilation. This valve cover breather was designed for all valve covers with 1-1/4 inch...

Spectre's Oil Filler Breather Cap Twist-In features an internal baffle to prevent oil splash and provides a secure tight seal with superior ventilation. This cap can be used with all twist-lock type...

This Spectre breather filter, also known as a crankcase vent filter, has a flange with an inside diameter of 10mm. By using the included adjustable worm gear clamp, this air filter will fit tubes...

This Spectre breather filter, also known as a crankcase vent filter, has a flange with an inside diameter of 10mm. By using the included adjustable worm gear clamp, this air filter will fit tubes...

This Spectre breather filter, also known as a crankcase vent filter, has a flange with an inside diameter of 10mm. By using the included adjustable worm gear clamp, this air filter will fit tubes...

A perfectly oiled ProFilter Air Filter provides maximum airflow and increased horsepower. Ready-to-Use Air Filters are constructed of dual-layer, reticulated foam. Reticulation is a process that...

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with...