Outerwears Pre-Filter Air Filter Wrap - for Carbon Fiber Air Box 23011807 GM A-Body / F-Body /

GM A-Body / F-Body / X-Body / Compact SUV / Truck 1971-2005

Kit includes 1/4" hardware for mounting to carburetor and throttle pedal

300" OD works well with our 26921 and 26926 valve springs

The solid louver design offers superior oil control and horsepower savings in high RPM applications

Outerwears Pre-Filter Air Filter Wrap - for Carbon Fiber Air Box 23011807 GM A-Body / F-Body /Outerwears was created to fulfill a desperate need to keep the Air filter and engine clean during off road racing. Racers and engine builders were experiencing loss of horsepower and engine damage due to sand, dirt, and other debris prematurely packing (clogging) the filter and often passing through the filter into the engine. Filters loading up with dirt meant loss of horsepower and in many cases loss of a race. Race crews were noticing severe engine