Outerwears Air Filter Pre-Filter Assembly - 14" x 5" Element - Black 1443A06 Self-Locking Nuts

Self-Locking Nuts

One Person Bleeds Safely Without The Mess

1961-1970 Chevrolet K10 Pickup

Usually these are made of pipe and threaded in the holes

Outerwears Air Filter Pre-Filter Assembly - 14" x 5" Element - Black 1443A06 Self-Locking NutsPre Filters unique polyester material contains uniform, micron sized openings to allow air in while filtering out the grime that will eventually clog an air filter or breather. Founded 45 years ago, Outerwears 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