Outerwears 3" Breather Pre-Filter - Yellow Trailer Storage Cases & Totes 1971-1975 Plymouth Road Runner

1971-1975 Plymouth Road Runner

Eight sizes are available for maximum application coverage

Small Block Chevy Valve Cover

Foam Bump Stop - Universal Cone 2

Chromate / Zinc Oxide

Outerwears 3" Breather Pre-Filter - Yellow Trailer Storage Cases & Totes 1971-1975 Plymouth Road RunnerOuterwears 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