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

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

$261.99
Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Head Diameter: 1.590 in. - Stem Diameter: 0.3136 in. - O/A : 4.923 in. Manley Valve - Exhaust, Valve-L-92 R/M 1.590.
  • 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.

Upgrade your engine's performance with the Manley Performance Race Series Exhaust Valves, specifically designed for LS-3 and L-99 small block engines. Crafted for high-stress racing applications, these valves operate optimally at speeds up to 8,000 RPM, making them ideal for bracket, drag, and oval track racing. Constructed from high-quality stainless steel, they provide excellent durability and resistance to wear in demanding conditions. The valves feature swirl polished under-head areas and fully machined combustion faces, which enhance airflow and improve combustion efficiency for increased horsepower and torque. Chrome stems and hard tips are incorporated to further extend service life and maintain performance over time. Recommended for alcohol engines, these exhaust valves are engineered to withstand the intense environments encountered during high-performance racing, ensuring reliable operation under extreme conditions. The set includes eight valves, making it a comprehensive upgrade for your engine's valvetrain, and is suitable for a variety of vehicles such as Cadillac Escalade, Hummer H2, and GMC Yukon. Whether you're building a race engine or upgrading an existing setup, these valves provide the reliability and performance needed to achieve competitive results.

Features:

  • Engineered for engines operating up to 8,000 RPM for racing applications
  • Constructed from durable stainless steel for long-lasting performance
  • Swirl polished under-head areas to optimize airflow and combustion
  • Fully machined combustion faces enhance efficiency
  • Chrome stems and hard tips for increased wear resistance
  • Recommended for alcohol engines to ensure reliable performance
  • Available in various shapes, including Race Master and Race Flo designs
  • Designed to fit LS-3 and L-99 small block engines, including Cadillac Escalade, Hummer H2, and GMC Yukon

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