K & N Performance Oil Filter — 79 mm (3-1/8"), KN-172C – 82-86 Big Twin, 80-85 Sportster

Premium oil filter engineered with synthetic media to handle the high concentrations of racing synthetic oils. 🔧

Large filter media delivers high flow rates and outstanding filtration to keep your motor running clean and smooth.

Uniform pleated synthetic media provides high capacity and excellent particle capture while allowing higher flow with synthetic and blended oils.

Protected by a heavy-duty canister and base plate with a double-rolled seal, pre-lubed base gasket, check-valve to prevent drain-back where applicable, and a 17 mm hex nut for easy on, wrench off removal.