OIL FILTER, K&N, Pro Series, replaces FL-1A, Pleated filter media provides maximum filtering surface, Anti-drain back valve eliminates dry starts by preventing oil from draining back into the crankcase, Positive seal gasket, 3 3/4 inch diameter
Manufacturer Reference #'s: PS-3001 (K&N), C1AZ-6731-A, FL-1A
Has the Anti-Drain Back Valve. Doesn't allow the oil to drain back to the pan. Excellent!
Submited on January 28, 2021 by BILL L.
YES I would recommend this product.