Manley Performance 11639-8 Manley Performance 11639-8Manley 99-12 fits For

Manley Performance 11639-8 Manley 99-12 fits Ford 4.6L/281 5.4L/330 V8 37mm Race Series Stainless Steel Intake Valves (Set of 8)

Brand : Manley Performance

MPN : 11639-8

AlternatePartNumber : man11639-8

UPC : 807298001159

Product Department : Engine Components

Product Category : Valves

BoxQuantity : 1

Length : 11.75 inches

Width : 6.75 inches

Height : 2.5 inches

Weight : 4.0 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.

This Part Fits:

Year	Make	Model	Submodel
1999-2000	Ford	F-150	Base
1999-2004	Ford	Mustang	GT