Manley Viton® valve stem seals are designed to keep oil out of the combustion chamber. They are manufactured from special Viton® material for maximum control and durability throughout the entire rpm range. The seals feature a special smaller design to allow for clearance in small inside-diameter valve springs.

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COMP Cams Valve Seal, Steel Viton, .500 in. Guide Size, 8mm Valve Stem, Each

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