Manley 11662B-4 Race Master Intake Valves 50mm Volkswagen Type IV

The Manley 11662B-4 Race Master intake valve set is specifically designed for Volkswagen Type IV engines, featuring a 50.0mm head diameter and 0.313-inch stem diameter with single grooves. This valve set is engineered for bracket racing, oval track competition, and high-performance street engines.

Construction and Materials:

• Constructed from NK-842 stainless steel for exceptional durability
• Features chrome stems and hardened tips for enhanced longevity and wear resistance
• Swirl polished underhead areas and fully machined combustion faces optimize airflow and combustion efficiency
• Pro Flo 12° x 3/8" underhead angle/radius design

Specifications:

• Head Diameter: 50.0mm (2.055 inches)
• Stem Diameter: 0.313 inches
• Overall Length: 4.606 inches
• Tip Length: 0.17 inches
• Installed Height: Stock
• Margin: 0.050 inches
• Seat Width: 0.095 inches

Manley Performance is recognized as the leading manufacturer of performance and racing valves, with quality being the cornerstone of their success. These Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are ideal for engines operating under 8000 RPM. This set includes four intake valves.