Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Red 35451CLGRD 2015-2018 GMC Sierra 3500 HD

2015-2018 GMC Sierra 3500 HD

The distributors also offer an easy-to-adjust mechanical advance assembly

cryogenic processed and REM finished - The gear mesh area is only 1" wide eliminating friction

include a snap ring groove for coil-over applications

5/16 in 12 Point Head

Outerwears Air Filter Pre-Filter Assembly - 14" x 6" Element - Red 35451CLGRD 2015-2018 GMC Sierra 3500 HDOuterwears 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