Manley Performance 11617B-8 Manley Performance 11617B-8Manley fits Ford 4.

Manley Performance 11617B-8 Manley fits Ford 4.6L 31mm Diameter 4.587in O/A Length Bead Lock Race Master Exhaust Valves (Set of 8)

Brand : Manley Performance

MPN : 11617B-8

AlternatePartNumber : man11617B-8

UPC : 807298061245

Product Department : Engine Components

Product Category : Valves

BoxQuantity : 1

Length : 4.5 inches

Width : 4.5 inches

Height : 3.3 inches

Weight : 1.2 lbs

Prop65 : Yes

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.