Blow Off Valves

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: 37.00 mm – O/A : 96.50 mm – Stem Diameter: 6mm (0.2362 in.)

• 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?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: 38.00 mm – O/A : 96.50 mm – Stem Diameter: 6mm (0.2362 in.)

• 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?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
Manley Valve – Intake, Valve-R/F NISSAN PATROL 38.5mm.

• 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?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
Manley Valve – Intake, Valve-R/F NISSAN PATROL 39.7mm.

• 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?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
Manley Valve – Intake, Valve-R/F NISSAN PATROL 40mm.

• 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?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
Manley Valve – Intake, Valve-R/F NISSAN PATROL 40.5mm.

• 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.

Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
Manley Valve – Exhaust, Valve-E/D NISSAN GT-R 32.15mm.

• Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
• Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
• Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
• XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.

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
Manley Valve – Intake, Valve-R/M NISSAN GT-R 37.15mm.

• 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.

Discover the extraordinary capabilities of Manley Performance Products’ Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
Manley Valve – Exhaust, Valve-E/D NISSAN GT-R 33.15mm.

• Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
• Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
• Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
• XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.

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
Manley Valve – Intake, Valve-R/M NISSAN GT-R 38.15mm.

• 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 Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice of performance enthusiasts and professional engine builders. Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength. State-of-the-art CNC machining and precision grinding deliver tight tolerances and consistent sealing for optimal engine performance. Crafted from premium titanium alloys, Manley valves achieve the perfect balance of hardness, ductility, and fatigue resistance under extreme temperatures. Every valve undergoes rigorous quality control and final inspection, guaranteeing unmatched reliability, precision, and consistency in the most demanding racing conditions. When performance matters, Manley Titanium Valves power the winners.
Manley Valve – Intake, Valve-TI LS7 2.205 .

• Lightweight titanium reduces valvetrain mass and boosts efficiency
• Built for extreme RPM and aggressive cams
• Rigorously inspected for reliability
• Premium alloys ensure durability
• One-piece forged for strength
• CNC machined for precision

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice of performance enthusiasts and professional engine builders. Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength. State-of-the-art CNC machining and precision grinding deliver tight tolerances and consistent sealing for optimal engine performance. Crafted from premium titanium alloys, Manley valves achieve the perfect balance of hardness, ductility, and fatigue resistance under extreme temperatures. Every valve undergoes rigorous quality control and final inspection, guaranteeing unmatched reliability, precision, and consistency in the most demanding racing conditions. When performance matters, Manley Titanium Valves power the winners.
Manley Valve – Intake, Valve-TI LS7 2.250 COATED SEAT.

• Lightweight titanium reduces valvetrain mass and boosts efficiency
• Built for extreme RPM and aggressive cams
• Rigorously inspected for reliability
• Premium alloys ensure durability
• One-piece forged for strength
• CNC machined for precision