Air Flow Research AFR 6613-16 Viton Valve Stem Seals for Big Block Chevy and Ford Engines, Set of 16

The Air Flow Research AFR 6613-16 Viton Valve Stem Seals are designed to provide reliable sealing for high-performance Big Block Chevy and Big Block Ford engines. These seals feature a positive stop design, ensuring proper positioning and durability under demanding conditions. Made with high-quality Viton material, they offer excellent resistance to heat, oil, and chemicals, making them suitable for both stock and modified engine applications. The seals fit valve stems with a diameter of approximately 0.344 inches and guides measuring around 0.495 inches, ensuring a precise and secure fit within the engine assembly. This set of 16 seals is ideal for rebuilds and performance upgrades, helping to maintain optimal compression and prevent oil leaks from valve stems, which can lead to decreased engine efficiency and increased emissions. Installation of these seals is straightforward, and their robust construction ensures long-lasting performance in high-temperature environments. Proper sealing of valve stems is critical for engine longevity and performance, making these AFR Viton valve stem seals an essential component for automotive enthusiasts and professional mechanics alike.

Features:

• Set of 16 valve stem seals designed for Big Block Chevrolet and Ford engines

• Viton rubber construction offers excellent heat, oil, and chemical resistance

• Positive stop design ensures proper positioning and seal integrity

• Fits valve stems approximately 0.344 inches in diameter and guides about 0.495 inches

• High-quality seals suitable for stock rebuilds and high-performance applications