K&N Round Air Filter 14x4 #E-3750 SI-GT50-B Square Size

Square Size

040” and larger include a hollow nozzle screw

Diameter 1-5/16"

OEM stock replacement Fel-Pro head gaskets are ideal for stock rebuilds on street-driven cars and trucks

K&N Round Air Filter 14x4 #E-3750 SI-GT50-B Square SizeK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&Ns 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your