Manley Ford Modular Coyote 5.0L Gen III Race Master Series Exhaust Valve - 1.260in Dia - 12629-1

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