Manley Performance 11689-8 Manley Performance 11689-8Manley LS-7 Small Blo

Manley Performance 11689-8 Manley LS-7 Small Block fits Chevy 1.615 Head DIA / .3136 Stem DIA Race Master Exhaust Valves (Set of 8)

Brand : Manley Performance

MPN : 11689-8

AlternatePartNumber : man11689-8

UPC : 807298092706

Product Department : Engine Components

Product Category : Valves

BoxQuantity : 1

Length : 11.7 inches

Width : 6.3 inches

Height : 2.5 inches

Weight : 2.2 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.