MANLEY 11638B-8 Intake Valve Kit Race Series (46.83 mm Head Dia., 4.630" O/A Length, 0.2750" Stem) for FORD 4.6L Modular V8

Description MANLEY 11638B-8 Race Series Ford 4.6L Modular V8 Intake Valve Kit (46.83 mm Head Dia., 4.630" O/A Length, 0.2750" Stem)

Manley’s Race Series valves are engineered to meet the demands of bracket, drag, and oval track racers and are intended for engines operating under 8,000 RPM.

• Both exhaust (XH-426) and Intake (NK-842) valves are constructed from high-quality Stainless steel.
• Chrome stems and hard tips provide enhanced longevity and wear resistance.
• Swirl-polished underhead areas and fully machined combustion faces optimize Airflow and combustion efficiency.
• Available in Race Master straight-stem and Race Flo shapes.

Recommended for Alcohol Engines: These valves are recommended for exhaust valves in alcohol engines, ensuring reliable performance in Demanding conditions.

Specifications:

• Product Market: Domestic
• Head Diameter: 46.83 MM
• Stem Diameter: 0.2750 IN
• Valve Stem Diameter: 0.2750 IN
• O/A Length: 4.630 IN
• Tip Length: 0.485 IN
• Margin Width: 0.050 IN
• Seat Width: 0.080 IN
• Top of Head: 5 Degree Dish
• Underhead Angle: 10.00 DEG
• Emissions Code: 3
• Valve Series: Race Series
• Valve Sub-Series: Race Master
• Valve Material: Stainless Steel
• Valve Groove Type: Bead Loc
• Valve Type: Intake
• Product Type: Engine Intake Valve Kit
• Valve Quantity: 8
• Engine Detail: SOHC 2 Valve