Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Yellow Ignition Lead Terminal This is a square flange

This is a square flange to spread bore adapter

and protects against ring sticking

1978-1980 Chevrolet El Camino

5 PSI / 33 GPH

Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Yellow Ignition Lead Terminal This is a square flangeOuterwears 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