Manley 11649-4 Race Master Exhaust Valve, Set Of 4

The Manley 11649-4 Race Master exhaust valves are engineered for Volkswagen 1200-1600 engines, delivering exceptional durability for bracket racing, drag racing, oval track competition, and high-performance street applications operating below 8,000 rpm. This set includes four precision-manufactured exhaust valves featuring triple groove keeper design for reliable retention.

Construction and Materials:

• XH-426 stainless steel construction for maximum strength and heat resistance
• Chrome-plated valve stems with hard-coated tips for enhanced wear resistance
• Swirl polished under-head areas and fully machined combustion faces optimize flow
• Straight stem design provides extra material thickness for outstanding durability

Specifications:

• Head diameter: 32.0mm (1.260 inches)
• Stem diameter: 0.313 inches
• Overall length: 4.405 inches
• Tip length: 0.17 inches
• Triple groove keeper design
• Stock height for direct replacement

Manley Race Master valves represent over 60 years of valvetrain engineering expertise, trusted by professional engine builders and performance enthusiasts worldwide. These valves deliver the reliability and performance required for demanding racing environments while maintaining excellent longevity for street-driven performance engines.