Manley 24040-8 Viton Valve Stem Seals for 5/16 Inch Valve Stems, 0.420 Inch Guide OD, Set of 8

The Manley 24040-8 Viton Valve Stem Seals are designed to provide reliable sealing for 5/16 inch valve stems in various engine configurations. Constructed with high-quality Viton material, these seals offer excellent resistance to heat, oil, and chemical exposure, ensuring long-lasting performance and durability. The seals feature a guide outer diameter of 0.420 inches, providing a precise fit for compatible engine components. This set includes eight seals, making it suitable for complete valve cover applications or multiple engines. Proper sealing of valve stems is essential to prevent oil leaks and maintain optimal engine performance, and these seals are engineered to meet or exceed OEM standards for quality and reliability.

Features:

• Material: Viton for high chemical and temperature resistance

• Size: 5/16 inch valve stem diameter

• Guide Outer Diameter: 0.420 inches for precise fit

• Set of 8 seals suitable for multiple engine applications

• Designed for durability and long-term sealing performance