Head Diameter: 1.485 in. - Stem Diameter: 0.2355 in. - O/A : 4.765 in. Backcut: 0.100" x 30? - Set of 8

Head Diameter: 1.485 in. - Stem Diameter: 0.2355 in. - O/A : 4.765 in. Backcut: 0.100" x 30? - Set of 8

Ford Gen III 5.0L Coyote RM intake valves. 1.485" head diam., .2355" stem diam.

Features

• Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
• Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
• Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
• Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
• Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.

Brand: Manley Performance
Manufacturer part number: 12628-8
Turn14 part number: man12628-8
Category: Engine Components / Valves