Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" x 6" Element - Black RG10015XS Moroso Dual Throttle Return Spring

Moroso Dual Throttle Return Spring Bracket

The mufflers are directional

19" reverse rotation rigid fan designDerale has been the leader in performance cooling for decades

Hook-and-loop material allows easy cover removal for adjustments

Engine Setup

Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" x 6" Element - Black RG10015XS Moroso Dual Throttle Return SpringOuterwears 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