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
- Intake, Valve-R/M MIATA 33.0mm
- Intake, Valve-R/M MIATA 33mm
- Prop 65 - Short Label: Prop 65 Warning Label.JPG
- Engine Type: ICE
- Make: Mazda
- Engine: 1.8L BP
- Product Market: Sport Compact
- Head Diameter: 33.00
- Valve Head Diameter: 33.00
- Stem Diameter: 0.2362
- Valve Stem Diameter: 0.2362
- O/A Length: 101.35
- Valve Length: 101.35
- Valve Tip Length: 3.50
- Tip Length: 3.50
- Margin Width: 0.050
- Seat Width: 0.075
- Top of Head: 17 Degree Dish
- Valve Head Shape: 17 Degree Dish
- Underhead Angle: Pro Flo: 22.00
- Underhead Radius: 5/16
- Valve Series: Race Series
- Valve Sub-Series: Race Master
- Valve Material: Stainless Steel
