Federal Mogul VS50966R Valve Stem Seal - Set

The Federal Mogul VS50966R is a precision-engineered valve stem seal set designed to control oil consumption and maintain proper lubrication at the valve stems. Manufactured by Federal Mogul — one of the most trusted names in engine sealing technology — this seal set meets or exceeds OEM specifications for a reliable, long-lasting repair.

Valve stem seals play a critical role in preventing engine oil from entering the combustion chamber via the intake and exhaust valve guides. Worn or damaged seals typically result in blue smoke at startup, increased oil consumption, and fouled spark plugs. Replacing them with a quality set like the VS50966R restores proper sealing performance and helps extend engine life.

Key Features:

• OEM-quality construction for precise fit and reliable sealing
• Manufactured from high-grade elastomers to withstand extreme heat and chemical exposure
• Engineered to control oil film on valve stems for optimal lubrication without excess oil consumption
• Meets or exceeds original equipment specifications
• Part of Federal Mogul's professional-grade engine sealing product line

The Federal Mogul VS50966R is a dependable choice for professional technicians and serious DIYers performing valve stem seal replacement or top-end engine rebuilds.