Outerwears 3" Shielded Crank Breather Pre-Filter w/o Top - Black HSLRG11PAFIA Factory length for '70+ AMC

Factory length for '70+ AMC 290-401 and '55+ Chevrolet 262-400 Small Block with flat tappet cams

Double side for short or long bar

Warning: HOLLEY EFI

1966-1971 Chrysler 300

Outerwears 3" Shielded Crank Breather Pre-Filter w/o Top - Black HSLRG11PAFIA Factory length for '70+ AMCOuterwears 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