Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Black NPT to NPT O-Ring Fittings 4L60E and 4L80E

4L60E and 4L80E

All bleeders come with a full 1 year warranty

GM A-Body / F-Body / G-Body 1978-88

Vehicle Applications: Chevrolet Silverado 1500 HD 2003-2001

Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Black NPT to NPT O-Ring Fittings 4L60E and 4L80EOuterwears 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