K&N Replacement Panel Filter KN33-2051 CVR With the increased use of

With the increased use of Radius "Bead" Groove Titanium Valves in the most demanding Oval track Endurance Applications

It prevents camshaft walk when used with a thrust button

Vacuum Secondary

Features Use for high powered Nitrous solenoids or other high power devices such as fuel pumps

intake manifold and a host of other uses

K&N Replacement Panel Filter KN33-2051 CVR With the increased use ofKN33 2051 33 2051 K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple. With most vehicles you simply remove the disposable air