Manley Performance Valve Stem Seals are engineered to provide a precise, leak-free seal that helps control oil consumption while maintaining proper valve lubrication. Manufactured from premium materials for exceptional durability and heat resistance, they are designed to withstand the demands of high-performance and racing engines.

• Special design allows clearance inside small I.D. springs
• A necessity when using NexTek® triple valve springs
• Spring loaded wiper to remove excess oil