• Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
  • Manley Performance Race Series Small Block Exhaust Valves for Chevy LS-3/L-99 (L-92 Head) – Set of 8
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Manley Performance

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

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

$215.99 USD
$215.99 USD
Sale Sold out
Manley?s 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 racing engine with the Manley Performance Race Series Small Block Exhaust Valves designed specifically for Chevy LS-3 and L-99 engines with L-92 heads. Crafted from high-quality stainless steel, these valves are engineered to withstand demanding racing conditions while maintaining optimal performance. Their swirl-polished under-head areas and fully machined combustion faces promote improved airflow and combustion efficiency, essential for maximizing horsepower and torque at high RPMs. Featuring chrome stems and hard tips, these valves offer enhanced durability and resistance to wear, making them a reliable choice for competitive racing environments. Recommended for alcohol engines, these exhaust valves are ideal for bracket, drag, and oval track racers operating under 8,000 RPM, ensuring consistent performance during intense racing sessions. The set includes eight valves with a head diameter of 1.590 inches and stem diameter of 0.3136 inches, fitting a range of GM trucks and SUVs such as Hummer H2, Cadillac Escalade, and GMC Yukon from 2007 to 2008. Whether you're rebuilding or upgrading your engine, these Race Master exhaust valves provide the durability, airflow optimization, and high-performance characteristics necessary to achieve top racing results.

Features:

  • Designed for racing applications up to 8,000 RPM, ensuring high-performance durability
  • Constructed from high-quality stainless steel for long-lasting wear resistance
  • Swirl polished under-head areas and fully machined combustion faces optimize airflow and combustion efficiency
  • Chrome stems and hard tips enhance longevity and wear resistance under demanding conditions
  • Recommended for alcohol engines, ideal for bracket, drag, and oval track racing

Fitment:
2007 Cadillac Escalade Base
2007 Cadillac Escalade ESV Base
2007 Cadillac Escalade EXT Base
2007 GMC Yukon Denali
2007 GMC Yukon XL 1500 Denali
2008 Cadillac Escalade Base
2008 Cadillac Escalade ESV Base
2008 Cadillac Escalade ESV Platinum
2008 Cadillac Escalade EXT Base
2008 GMC Yukon Denali
2008 GMC Yukon XL 1500 Denali
2008 Hummer H2 Base
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1

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