Outerwears Air Filter Pre-Filter Assembly - 14" x 3" Element - Yellow H77803FL springs are precisely coiled and

springs are precisely coiled and undergo precision heat treating

2000-2002 Ford E-450 Econoline Super Duty

1 Approved

Low LS Accessory Drive Fits Standard

Washers Provides More Accurate And Uniform Torque

Outerwears Air Filter Pre-Filter Assembly - 14" x 3" Element - Yellow H77803FL springs are precisely coiled andOuterwears 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