Manley VW Exhaust Valve, 37.5mm, Triple Groove, Stainless Steel, VW Bug 49-77, Super Beetle 71-79, Ghia 55-74, Bus 50-71, Type 3 61-73, Thing 73-74
Manley’s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability. Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance. The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency. Designed to fit Volkswagen 13-1600cc based engine combinations and use a stock style 3 groove valve lock/keeper.
Specifications:
Head Diameter: 37.5mm
Stem Diameter: .3130”
Valve Lock Style: Stock Triple Groove
Installed Height: Stock
O/A Length: 4.405”
Tip Length: .170
Underhead Angle: 15°
Underhead Radius: 3/8”
Margin Width: .070"
Seat Width: .090”
Top Of Head: 10° Dish
Weight: 73g
Application Note: This is considered a universal part and can fit many different applications based on modifications to the vehicle. Application information is just for reference and not applicable to a stock vehicle configuration. Please verify your application before purchase to ensure this part is correct for your project.
Exhaust Valve, 37.5mm, Triple Groove, Stainless Steel, Sold ea.
