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Pioneer Automotive Industries, LLC OS-907-PA-100
Pioneer Automotive Industries Valve Stem Oil Seal. Designed as a direct OEM replacement for reliable engine performance.
Pioneer Automotive Industries, LLC OS-907-PA-4
Pioneer Automotive Industries Valve Stem Oil Seal. Designed as a direct OEM replacement for reliable engine performance.
Competition Cams 514-16
Set of 16 Metal Viton Valve Seals for .500" Guide Size, 3/8 Valve Stem; Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 514 seals have a .625" OD and fit applications with 3/8" valves and .500" OD guides.
Pioneer Automotive Industries, LLC OS-910-100
Pioneer Automotive Industries Oil Seal. Designed as a direct OEM replacement for reliable engine performance.
