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
- Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
- Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
- Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
- Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
- Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
Specs
- Head Diameter: 1.260 in
- Stem Diameter: 0.2345 in
- O/A : 4.330 in. Backcut: 0.100" x 30?
- Single Valve
- Manley Valve
- Intake Valve
- Ti
- Briggs & Stratton Custom
- .2740 Stem
- Margin Width: 0.050
- Seat Width: 0.080
- Top of Head: 15 Degree Dish
- Valve Head Shape: 15 Degree Dish
- Underhead Angle: 20.00
- Underhead Radius: 5/16
- Valve Series: Race Series
- Valve Sub-Series: Race Master
- Valve Material: Stainless Steel
- Valve Groove Type: Factory Triple
- Engine Valve Quantity: 1
- Industry: Automotive
- Out of Stock Message: Call for Availability
- Title: Manley Valve - Exhaust, Valve-FD 5.0L R/M
- Valve Quantity: 1
- Product Type: Engine Exhaust Valve