Outerwears Air Filter Pre-Filter Assembly - 14" x 5" Element - Purple 21411413 Retains all stock oil pan

Retains all stock oil pan dimensions and capacity

PowerStep™ Xtreme

1975-1977 Buick Skylark

409S Stainless Steel

0 Fuel+Ignition system

Outerwears Air Filter Pre-Filter Assembly - 14" x 5" Element - Purple 21411413 Retains all stock oil panOuterwears 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