• Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
  • Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines
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Manley Performance

Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines

Manley Performance LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves for Chevrolet and Pontiac Engines

$201.99 USD
$201.99 USD
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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: 1.550 in. - Stem Diameter: .3136 in. - O/A : 4.923 Manley Valve - Exhaust, Valve-LS1 R/M 1.550.
  • 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 LS-1 / LS-2 (LS-6 Head) 1.550 Inch Race Flo Exhaust Valves, designed specifically for high-performance applications in Chevrolet and Pontiac vehicles. These valves are engineered to withstand demanding racing conditions and operate efficiently at engine speeds up to 8,000 RPM, making them ideal for bracket, drag, and oval track racing. Crafted from high-quality stainless steel, they offer exceptional durability and resistance to wear during intense engine use. The valves feature swirl-polished under-head areas and fully machined combustion faces, which optimize airflow and improve combustion efficiency for increased horsepower and better throttle response. The inclusion of chrome stems and hard tips further enhances longevity, reducing the need for frequent maintenance and ensuring consistent performance over time. These exhaust valves are recommended for alcohol engines, providing reliable operation even under high-stress conditions. The design options include Race Master (straight stem) and Race Flo shapes, allowing customization based on your specific engine configuration and racing needs. Their compatibility with various Chevrolet and Pontiac LS engines makes them a versatile upgrade for serious racers seeking to maximize engine output and reliability. Whether you're building a dedicated race engine or upgrading your stock setup for better performance, these valves deliver the quality and precision expected from Manley Performance, ensuring your engine maintains optimal airflow and combustion efficiency across multiple racing scenarios.

Features:

  • Designed for engines operating up to 8,000 RPM, suitable for racing applications
  • Constructed from high-quality stainless steel for durability and wear resistance
  • Swirl-polished under-head areas and fully machined combustion faces optimize airflow
  • Chrome stems and hard tips enhance longevity and performance reliability
  • Recommended for alcohol engines, ensuring consistent operation under demanding conditions
  • Available in Race Master (straight stem) and Race Flo shapes for customizable fit

Fitment:
1997 Chevrolet Corvette Base
1998 Chevrolet Camaro Z28
1998 Chevrolet Corvette Base
1998 Pontiac Firebird Formula
1999 Chevrolet Camaro Z28
1999 Chevrolet Corvette Base
1999 Pontiac Firebird Formula
2000 Chevrolet Camaro Z28
2000 Chevrolet Corvette Base
2000 Pontiac Firebird Formula
2001 Chevrolet Camaro Z28
2001 Chevrolet Corvette Base
2001 Chevrolet Corvette Z06
2001 Pontiac Firebird Formula
2002 Chevrolet Camaro Z28
2002 Chevrolet Corvette Base
2002 Chevrolet Corvette Z06
2002 Pontiac Firebird Formula
2003 Chevrolet Corvette Base
2003 Chevrolet Corvette Z06
2004 Cadillac CTS V
2004 Chevrolet Corvette Base
2004 Chevrolet Corvette Z06
2004 Pontiac GTO Base
2005 Cadillac CTS V
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: false
Units Per Sku: 1

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