Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Red 01223 these Grade 8 fasteners are

these Grade 8 fasteners are a must for all hi-performance applications

1-1/4 in Mount Opening

fits 5 lug 4 1/2 "-5" bolt pattern

In the manifold section you'll find horsepower graphs showing the power levels obtainable when the Performer RPM package is used with the right combination of Edelbrock components

Max Dyno Gains of 15 hp and 19 lb

Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Red 01223 these Grade 8 fasteners areOuterwears 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