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
Features
- Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
- Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
- Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
- Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
- Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
Specs
- Manley Valve
- Exhaust, Valve-R/M 1.600,+100
- Exhaust, Valve-R/M 1.600,+.100
- Product Market: Domestic
- Head Diameter: 1.600
- Valve Head Diameter: 1.600
- Stem Diameter: 0.311
- Valve Stem Diameter: 0.311
- O/A Length: 5.040
- Valve Length: 5.040
- Valve Tip Length: 0.290
- Tip Length: 0.290
- Margin Width: 0.080
- Seat Width: 0.100
- Top of Head: 9 Degree Dish
- Valve Head Shape: 9 Degree Dish
- Underhead Angle: 15.00
- Underhead Radius: 1/2
- Valve Series: Race Series
- Valve Sub-Series: Race Master
- Valve Material: Stainless Steel
- Valve Type: Exhaust
- Product Type: Engine Exhaust Valve Kit
- Valve Quantity: 8
- Engine Valve Quantity: 8
