Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)

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 2007-2008 Cadillac Escalade Base 2007-2008 Cadillac Escalade ESV Base 2008 Cadillac Escalade ESV Platinum 2007-2008 Cadillac Escalade EXT Base 2007-2008 GMC Yukon Denali 2007-2008 GMC Yukon XL 1500 Denali 2008 Hummer H2 Base