Fel-Pro SS72917 is a positive valve stem oil seal set built to control oil at the valve stems, helping address oil consumption, carbon buildup, and performance loss caused by worn or leaking seals. It is application-engineered for real-world engine repair on verified Ford, Lincoln, Mercury, and Mazda models, including Focus, Fusion, Escape, Explorer, Mustang, Ranger, MKZ, MKC, Mazda 3, Mazda 6, Mazda 5, MX-5 Miata, CX-7, Tribute, Milan, and Mariner applications.

Fel-Pro SS72917 Features:

• Positive valve stem oil seal design helps keep engine oil from entering the combustion chamber as the valves move.
• Application-specific high-temperature rubber material is selected for sealing performance in demanding cylinder head conditions.
• Designed for imperfect repair surfaces, making it a practical choice for service work where engines already have mileage and heat cycles behind them.
• Helps correct common symptoms tied to leaking valve stem seals, including excess oil use, carbon deposits, and reduced engine performance.
• Coverage supports many verified 2001-2020 Ford, Lincoln, Mercury, and Mazda fitments; confirm the exact engine and vehicle before installation.

Includes:

• Valve stem oil seal set
• Installation aid tool to help protect the inner seal lip during assembly

Best suited for cylinder head service or valve stem seal replacement when oil is passing the guides. Use the included aid during installation to reduce the chance of damaging the seal lip.

Verified applications include Mazda B2300, Mazda 2, Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, Mazda MX-5 Miata, Mazda CX-7, Mazda Tribute, Ford Focus, Fusion, Taurus, C-Max, Special Service Police Sedan, Police Responder Hybrid, SSV Plug-In Hybrid, Ranger, Escape, Edge, Explorer, Mustang, EcoSport, Transit Connect, Lincoln MKZ, MKC, MKT, Nautilus, Corsair, Mercury Milan, and Mercury Mariner. Bronco fitment is not included because available extractions did not agree.