Manley Performance man11361-8 - Small Block Chevy LS-1/LS-2 Race Flo Exhaust Valves

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: 1.550 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.

Manley Performance Race Flo exhaust valves are engineered for the demanding requirements of bracket, drag, and oval track racing applications. Designed for engines operating under 8,000 RPM, this valve set features a 1.550-inch head diameter, 0.3136-inch stem diameter, and 4.923-inch overall length.

These valves are recommended for exhaust use in alcohol engines and feature stainless steel construction for durability. Swirl-polished under-head areas and fully machined combustion faces are designed to support airflow and combustion efficiency, while chrome stems and hard tips enhance wear resistance and service life.

Key Features & Performance Benefits

• Race Flo Shape: Designed for racing engine applications.
• Stainless Steel Construction: Provides durable performance in demanding conditions.
• Swirl-Polished Under-Head Areas: Supports airflow around the valve head.
• Chrome Stems and Hard Tips: Enhance longevity and wear resistance.

Key Product Specifications & Technical Data

• Brand: Manley Performance
• Part Number: man11361-8
• Application: Exhaust valve
• Valve Series: Race Series
• Valve Shape: Race Flo
• Head Diameter: 1.550 inches
• Stem Diameter: 0.3136 inches
• Overall Length: 4.923 inches

What's Included in the Box

• One set of Manley Performance Race Flo exhaust valves

Fitment

Fits 1998-2002 Chevrolet Camaro and 1998-2002 Pontiac Firebird applications.

Fitments:
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