These Supertech intake valves are engineered for the Subaru FA20F engine, offering the precision and durability required for high-performance valvetrain builds. Manufactured to exacting tolerances, these valves ensure consistent sealing and optimal airflow, making them an essential upgrade for engines facing the increased thermal and mechanical stresses of performance tuning or forced induction.

This complete set provides all eight intake valves needed for a full cylinder head service or build, replacing the factory components with high-strength alternatives designed for longevity and reliability.

• Engine Application: Subaru FA20F
• Valve Type: Intake
• Head Diameter: 35mm
• Stem Diameter: 5.46mm
• Overall Length: 105mm
• Quantity: Set of 8

Fits Mazda 2.3T turbocharged engines.

Supertech performance intake valves are engineered to withstand the elevated temperatures and cylinder pressures of high-output turbocharged applications. These valves undergo a specialized Black Nitride treatment, creating a hardened surface that significantly reduces friction and wear within the valve guides. The dish face and 6mm tapered stem design are optimized to improve airflow and volumetric efficiency, making these a critical upgrade for any Mazda 2.3T performance build.

• Head Diameter: 36.00mm
• Stem Diameter: 5.97mm
• Overall Length: 103.40mm
• Material: Black Nitride coated for reduced friction and high durability
• Stem Design: 6mm Tapered stem for improved flow characteristics
• Face Profile: Dish
• Quantity: Complete set of 8 intake valves

Fits Dodge 8.0L Viper V10 engines (8.0L).

Manley Race Master intake valves are engineered for the high-stress environments of bracket, drag, and oval track racing. Designed specifically for high-performance engines operating up to 8,000 RPM, these valves provide the thermal stability and structural integrity required for competition use. Each intake valve is manufactured from NK-842 stainless steel, offering superior durability over standard OE components.

The Race Master series features a straight stem design with swirl-polished under-head areas to optimize induction airflow and maximize volumetric efficiency. The combustion faces are fully machined to ensure uniform thickness. For extended service life in demanding racing conditions, Manley incorporates chrome-plated stems and hardened tips to resist wear at the guide and rocker arm contact points.

• Material: NK-842 Stainless Steel
• Head Diameter: 2.020 in
• Overall Length: 5.828 in
• Stem Style: Straight Stem (Race Master)
• Under-head Finish: Swirl Polished
• Features: Fully machined combustion face, chrome stems, and hard tips
• Quantity: Single

Fits Toyota 2JZ-GTE engines.

This GSC Power Division (GSC P-D) Super Alloy exhaust valve is engineered to withstand the extreme thermal loads and high-pressure environments typical of high-performance 2JZ-GTE builds. Replacing the factory exhaust valve, this standard-sized component is manufactured from a specialized Super Alloy for superior heat resistance compared to standard stainless steel options. The valve features a chrome polished finish to reduce friction and minimize wear on the valve guides, ensuring consistent performance during high-RPM operation.

• Engine Application: Toyota 2JZ-GTE
• Component: Exhaust Valve
• Head Diameter: 29mm (Standard)
• Material: Super Alloy high-temp construction
• Finish: Chrome Polished
• Quantity: Single (1) Valve
• Manufacturer Part Number: 2065-01

Designed for high-performance Volkswagen EA888 engines, these Supertech intake valves are engineered to withstand the thermal and mechanical stresses of high-RPM and forced-induction applications. This set of 8 valves features a black nitriding treatment, which hardens the surface and significantly reduces friction against the valve guides for improved longevity and valvetrain efficiency.

• Engine Fitment: Volkswagen EA888
• Material: Black Nitrided Stainless Steel
• Head Diameter: 33.85mm
• Stem Diameter: 5.98mm
• Total Length: 104.00mm
• Quantity: Set of 8
• Manufacturer Part Number: VWIVN-1002T-8

Each valve is precision-manufactured to strict tolerances, ensuring consistent flow and a reliable seal. These are an essential upgrade for builders looking to replace worn OE components or reinforce the cylinder head for increased boost and power levels.

Upgrade your valvetrain with this set of eight Supertech Performance intake valves, specifically engineered for the Nissan SR20VE engine. These valves feature a +1mm oversize head diameter, providing the increased surface area necessary to maximize induction flow in high-performance and racing applications. Each valve is treated with a specialized black nitriding process, which produces a smoother surface finish and a harder outer layer (micro-hardness) than traditional chrome plating. This treatment significantly reduces friction in the valve guides and improves heat resistance during high-RPM operation.

• Engine Application: Nissan SR20VE (Neo VVL)
• Valve Type: Intake
• Sizing: +1mm Oversize Head Diameter
• Finish: Black Nitrided for reduced friction and superior wear resistance
• Quantity: Complete set of 8 valves
• Manufacturer Part Number: NIVN-1007-VE-8

Supertech valves are forged from high-tensile alloys to withstand the thermal and mechanical stresses of modified SR20 platforms. Please note that +1mm oversize valves require appropriate machine work to the cylinder head valve seats for proper fitment and sealing.

Fits Toyota 2JZ-GTE and Lexus 2JZ-GE engines.

These Brian Crower (BC) exhaust valves are engineered to withstand the extreme thermal loads found in high-performance and forced-induction 2JZ builds. Manufactured from Inconel, a nickel-chromium-based superalloy, these valves are designed to resist oxidation and maintain structural integrity at temperatures that exceed the limits of standard stainless steel. This makes them an essential choice for high-boost applications where exhaust gas temperatures (EGTs) are a primary concern.

Each valve features a 30mm head diameter and is precision-machined to ensure consistent seating and flow characteristics across all cylinders. This complete set of 12 valves provides a direct replacement for worn or underperforming factory units during a cylinder head rebuild.

• Material: High-temperature Inconel alloy
• Head Diameter: 30mm
• Application: Exhaust side
• Quantity: Set of 12 valves
• Manufacturer Part Number: BC3303-INC

Fits Mazda and Ford Duratec 2.0L and 2.3L engines.

Supertech Inconel exhaust valves are engineered to withstand the extreme thermal environments found in high-performance and forced-induction engines. Manufactured from a specialized nickel-based superalloy, these valves maintain their strength and resist oxidation at temperatures that would compromise standard stainless steel components. They are an essential upgrade for turbocharged, supercharged, or high-compression Duratec builds where exhaust gas temperatures are significantly elevated.

• Material: Inconel superalloy for maximum heat resistance
• Quantity: Full set of 8 exhaust valves
• Engine Fitment: Mazda/Ford Duratec (2.0L / 2.3L)
• Manufacturer Part Number: MAEVI-2301D-8

Fits Mazda Miata (1.8L) engines.

Designed for high-performance and forced induction builds, these Supertech Inconel intake valves are engineered to withstand the extreme thermal loads found in turbocharged or high-compression racing applications. This set features a +1mm oversized head diameter (34.00mm), allowing for increased airflow and improved volumetric efficiency when paired with professional cylinder head porting. Each valve is precision-machined to ensure strict tolerances and a reliable seat seal under high-RPM conditions.

• Manufacturer Part Number: MAIVN-1206-INC-8
• Material: Inconel (High-nickel superalloy)
• Head Diameter: 34.00mm (+1mm Oversized)
• Stem Diameter: 5.96mm
• Overall Length: 102.60mm
• Valve Type: Intake
• Included: Set of 8 valves

Fits Toyota 5VZ-FE (3.4L V6) engines.

This set of 12 Supertech exhaust valves is engineered to provide superior durability and thermal management for the Toyota 5VZ-FE platform. Each valve undergoes a specialized black nitriding process, which significantly increases surface hardness and provides a smoother finish to reduce friction within the valve guides. This treatment makes them ideal for performance builds that demand higher heat resistance and longevity than standard factory components.

• Manufacturer Part Number: TEVN-1040-12
• Engine Application: Toyota 5VZ-FE (V6)
• Material Treatment: Black Nitrided for reduced friction and increased hardness
• Valve Type: Exhaust
• Quantity: Complete set of 12 valves

Fits Honda K20 and K24 engines.

Engineered for high-performance environments, these Supertech exhaust valves are manufactured from Inconel, a nickel-base superalloy designed to withstand the extreme exhaust gas temperatures (EGTs) found in turbocharged, supercharged, or high-compression racing engines. Unlike standard stainless steel, Inconel maintains its structural integrity and resists oxidation under intense thermal loads, preventing valve fatigue and failure in demanding conditions.

• Material: High-temperature Inconel alloy
• Component: Exhaust valves
• Quantity: Set of 8
• Manufacturer Part Number: HEVI-1020D-8

These valves are a critical upgrade for builders looking to ensure valvetrain reliability on the exhaust side where heat is most concentrated. Each valve is precision-machined to meet strict tolerances for improved flow and consistent sealing.

Designed for high-performance Nissan SR20VE engines, these Supertech exhaust valves are engineered to withstand the extreme thermal loads of high-revving and forced-induction builds. Each valve is manufactured from Inconel, a nickel-based superalloy specifically chosen for its ability to maintain structural integrity and resist oxidation at temperatures where standard stainless steel may fail.

These valves feature a +2mm oversize diameter, providing increased surface area to maximize exhaust gas flow in ported cylinder heads. Precision-machined for exact tolerances, they ensure a reliable seal and improved heat dissipation through the valve seat.

• Fits Nissan SR20VE engines
• Material: High-temperature Inconel alloy
• Head Diameter: +2mm Oversize
• Designed for extreme heat resistance and durability
• Manufacturer Part Number: NEVI-1007-VE-8
• Quantity: Set of 8 valves

Fits Ford Mustang Gen 3 Coyote (5.0L) engines.

These GSC P-D intake valves are precision-engineered for the Gen 3 5.0L Coyote platform. Each valve features a 37.6mm standard (STD) head diameter and a high-grade chrome polished finish to reduce friction and minimize carbon buildup. Designed for superior durability and heat resistance, these valves are an essential upgrade for high-RPM applications where valve train stability and consistent airflow are critical.

• Manufacturer Part Number: 2162-8
• Head Diameter: 37.6mm (Standard)
• Finish: Chrome Polished
• Engine Compatibility: Ford 5.0L Coyote Gen 3
• Quantity: Set of 8 valves

Engineered for high-heat environments and extreme cylinder pressures, this set of 8 Ferrea Super Alloy exhaust valves (MPN: F1892P) is a direct performance upgrade for Chevrolet LS1 engines. These valves are manufactured using Ferrea's proprietary Super Alloy, specifically designed to withstand the thermal loads found in turbocharged, supercharged, or nitrous-fed applications where standard stainless steel may fail.

The S-Flo (Super Flow) design features a modified tulip shape to reduce airflow restriction, while the radial groove ensures precise retainer fitment and improved valvetrain stability at high RPM. Each valve is CNC-machined to exact tolerances for consistent seating and heat dissipation.

• Head Diameter: 1.600 in
• Stem Diameter: 0.313 in
• Overall Length: 4.915 in
• Seat Angle: 24 Degrees
• Groove Type: Radial Groove
• Material: Super Alloy
• Quantity: Set of 8
• Part Number: F1892P

Fits Nissan RB26DETT engines.

Enhance the volumetric efficiency and valvetrain durability of your RB26DETT with this set of 12 Supertech intake valves. These valves feature a +1mm oversized head diameter, specifically designed to increase airflow in high-performance builds requiring precision headwork. Each valve undergoes a specialized black nitriding process, resulting in a hardened surface with significantly reduced friction and improved heat resistance compared to traditional chrome-plated valves.

• Construction: High-strength alloy with a Black Nitrided finish for superior hardness and wear resistance.
• Specifications: +1mm oversized head diameter for increased intake flow.
• Performance: Reduced friction within the valve guide for smoother operation at high RPM.
• Quantity: Set of 12 intake valves.
• Manufacturer Part Number: NIVN-1032-12

Fits 1994-2005 Mazda Miata Base and LS models (1.8L).

Manley Race Master Series intake valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racing. Optimized for competition engines operating under 8,000 RPM, these valves deliver the durability and flow characteristics required for consistent performance. Each valve is constructed from premium NK-842 stainless steel and features a swirl-polished under-head area with a fully machined combustion face to maximize airflow efficiency and combustion consistency.

• Manufactured from NK-842 stainless steel for high-strength and heat resistance
• Swirl-polished under-head and fully machined face for optimized flow dynamics
• Chrome-plated stems and hardened tips for enhanced longevity and wear resistance
• Straight-stem Race Master profile suitable for various racing applications
• Recommended for high-performance engines operating up to 8,000 RPM
• Manufacturer Part Number: 11102-8

The Kleinn VX6003 Vortex 6 Series heavy-duty solenoid valve is engineered for high-performance pneumatic systems that require maximum air volume. Built with a robust all-brass manifold, this 12-volt valve is designed to withstand the high-pressure demands of automotive train horn setups and on-board air systems.

This high-flow replacement solenoid features an oversized inner orifice to significantly increase volumetric air flow compared to standard valves. It serves as the standard equipment on Kleinn Model 230 Beast, Model 730 Demon, and Model 502 triple train horns, ensuring consistent acoustic output and rapid actuation. The unit is equipped with a water-resistant electronic casing to protect critical electrical connections from moisture and road debris.

• High-Flow Orifice: Specially designed to maximize air delivery for immediate horn response.
• Heavy-Duty Construction: All-brass manifold provides superior durability in high-pressure environments.
• Standard Porting: 3/8-inch female NPT inlet and outlet ports ensure a secure, leak-free connection with standard air lines.
• Water-Resistant Housing: Protective casing shields wiring from the elements and underbody spray.
• Direct Replacement: Fits Kleinn horn models 230, 730, and 502; compatible with Model 6885 or 6890 Ultra BlastMaster valve kits.
• MPN: VX6003

The Kleinn 6890 Ultra BlastMaster Valve Upgrade Kit is specifically engineered for the Model 730 Demon triple train horn system to maximize pneumatic efficiency and increase decibel output. By adding two high-performance VX6003 solenoid valves to the single valve included with standard 730 horns, this kit ensures each individual trumpet has a dedicated air source for unrestricted flow.

This configuration eliminates air supply bottlenecks by providing each horn trumpet with its own 1/2" OD airline. The result is a significant increase in air volume reaching the horns, allowing the system to achieve its full sonic potential. The kit is a comprehensive solution for users looking to optimize their existing train horn setup for maximum performance.

• Fits Kleinn Model 730 Demon triple train horn systems
• Includes two high-performance VX6003 solenoid valves
• Supplies each horn with a dedicated 1/2" OD airline
• Includes heavy-duty 4-way splitter and premium airline tubing
• Complete with all necessary high-flow fittings for installation
• Manufacturer Part Number: 6890

The Kleinn 310 Hand Pull Air Valve provides the authentic feel and tactile control of a commercial truck driver's lanyard for your roof-mounted air horn system. This manual air release valve is engineered for direct mechanical activation, delivering an immediate high-flow air blast the moment the chain is pulled. Designed to replace or upgrade generic activation switches, it offers a vintage-style manual interface for semi-trucks, custom rigs, and big-rig installations.

• Manual air activation for precise control over horn blast duration
• Nylon-encased body for durability in harsh cabin environments
• Includes heavy-duty metal mounting bracket and integrated pull chain
• 1/4-inch O.D. brass compression fittings on both inlet and outlet
• Compatible with most high-pressure roof-mount air horn setups
• Manufacturer Part Number: 310

Technical Specifications:

• Inlet Size: 1/4" O.D. Tube Compression
• Outlet Size: 1/4" O.D. Tube Compression
• Construction: Nylon with brass fittings
• Mounting Type: Mechanical roof-mount activation

Fits Gen 3 Ford Mustang models equipped with the 5.0L Coyote engine.

Engineered for high-stress applications, the GSC Power-Division Super Alloy exhaust valve set provides the thermal stability required for high-RPM naturally aspirated or forced induction builds. These valves are manufactured from a high-heat resistant Super Alloy material designed to withstand extreme exhaust gas temperatures (EGTs) without losing structural integrity or seat sealing capability.

Featuring a 33mm head diameter, these valves are +1mm oversize compared to factory specifications. This increased surface area improves exhaust scavenging and flow efficiency, though it requires appropriate machining of the valve seats during installation. These valves are an essential upgrade for builders looking to maximize the volumetric efficiency of the Gen 3 Coyote cylinder head.

• Material: High-temperature Super Alloy
• Head Diameter: 33mm (+1mm oversize)
• Quantity: Set of 8 valves
• Compatibility: Gen 3 Coyote 5.0L engines only
• Manufacturer Part Number: 2167-8

Fits 2018-up Ford Mustang Gen 3 Coyote (5.0L) engines.

Enhance the exhaust flow and thermal efficiency of your cylinder heads with this set of GSC Power-Division chrome polished exhaust valves. Engineered specifically for the Gen 3 5.0L Coyote architecture, these valves feature an oversized 33mm head diameter (+1mm over stock) to maximize flow potential in high-performance and forced induction applications. The chrome polished finish provides a smooth surface that reduces friction against the valve guide and resists carbon adhesion on the tulip, ensuring long-term durability and consistent sealing under extreme operating conditions.

• Manufacturer Part Number: 2163-8
• Valve Type: Exhaust
• Head Diameter: 33mm (+1mm Oversize)
• Finish: Chrome Polished
• Quantity: Set of 8 valves
• Fitment: Ford Gen 3 Coyote (5.0L)

Fits Ford Mustang 5.0L Coyote Gen 1 and Gen 2 (5.0L) engines.

GSC Power-Division Super Alloy exhaust valves are engineered specifically for the extreme thermal loads found in high-performance Coyote builds, particularly those utilizing forced induction or high-RPM naturally aspirated setups. These valves feature a 32.75mm head diameter, providing a +1mm oversize compared to factory specifications to improve exhaust flow and cylinder scavenging.

• Manufacturer Part Number: 2157-8
• Material: High-temp Super Alloy construction for superior heat resistance
• Head Diameter: 32.75mm (+1mm Oversize)
• Engine Compatibility: Ford 5.0L Coyote Gen 1/2
• Quantity: Set of 8 exhaust valves

Each valve is precision-machined to ensure consistent seat contact and durability under racing conditions, replacing worn or undersized OE components with a component designed to withstand higher EGTs.

Fits Mitsubishi 4B11T engines.

Designed to withstand the extreme thermal loads of high-boost and high-horsepower applications, these GSC Power-Division exhaust valves are manufactured from a proprietary high-nickel Super Alloy. This material provides significantly higher heat resistance than standard stainless steel, preventing valve head deformation or failure in high-performance turbocharged environments. Each valve features a swirl-polished head for optimized exhaust flow and reduced carbon buildup, ensuring consistent valvetrain performance and sealing.

• Material: High-temperature resistant Super Alloy
• Head Diameter: 29mm (Standard/STD)
• Stem Diameter: 6mm
• Finish: Chrome polished and swirl polished
• Quantity: Set of 8 exhaust valves
• Manufacturer Part Number: 2025-8

Fits Mitsubishi 4B11T engines. This set of eight GSC Power-Division intake valves is designed to handle the increased thermal loads and cylinder pressures of high-performance turbocharged builds. Manufactured from 21-4N stainless steel, these valves provide the high-temperature tensile strength necessary for reliability at high RPMs. Each valve features a swirl-polished head to optimize airflow into the combustion chamber and a chrome-plated stem to reduce friction and extend the life of the valve guides.

• Part Type: Intake Valve Set
• Material: 21-4N Stainless Steel
• Head Diameter: 35.00mm (Standard)
• Finish: Chrome Polished
• Engine Compatibility: Mitsubishi 4B11T
• Quantity: Set of 8 Valves
• Manufacturer Part Number: 2022-8

Fits Ford 5.4L 32V engines.

Engineered to withstand the extreme thermal loads and cylinder pressures of high-performance racing, this set of 16 Ferrea F2164P Super-Alloy exhaust valves is built for durability in forced induction or high-RPM Ford modular applications. These valves utilize Ferrea's proprietary Super-Alloy material, specifically designed to handle exhaust gas temperatures that exceed the limits of standard stainless steel. The design features a "Flo" undercut stem to optimize exhaust gas flow and a 15-degree seat angle for a precise, reliable seal.

• Part Number: F2164P
• Material: Heat-resistant Super-Alloy
• Head Diameter: 1.26 in
• Stem Diameter: 0.275 in
• Overall Length: 4.635 in
• Seat Angle: 15 Degrees
• Lock Type: 3 Radial Grooves
• Quantity: Set of 16

Each valve is precision-machined with triple radial grooves to ensure secure lock engagement, providing the stability required for aggressive valvetrain setups.

Fits select 2002-2009 Subaru WRX and STI (EJ205 / EJ255 / EJ257).

The Brian Crower BC3600-S intake valve set is designed for EJ-series engines requiring factory-spec dimensions with the durability necessary for performance builds. These standard-sized valves are an essential upgrade for engine refreshes or competition rebuilds where 36mm head diameters are required. Each valve is manufactured to strict tolerances to ensure proper valvetrain geometry and a positive seat seal.

• Manufacturer Part Number: BC3600-S
• Component Type: Intake Valve
• Head Diameter: 36mm (Standard Size)
• Tip Height: Standard
• Engine Compatibility: EJ205, EJ255, EJ257
• Quantity: Set of 8 Valves

Precision-ground to deliver consistent flow and thermal resistance, this 8-piece set replaces your worn factory intake valves with high-quality components engineered for high-RPM stability.

Fits 1989-1998 Nissan 240SX models equipped with RWD SR20DE or SR20DET engines.

Brian Crower exhaust valves are engineered to withstand the extreme thermal loads and high cylinder pressures common in turbocharged SR-series builds. These 31.15mm valves are a critical component for any performance cylinder head, providing the heat resistance and structural integrity required for high-RPM stability and reliable sealing. Whether you are refreshing a street-driven SR20 or building a high-boost competition engine, these valves offer the precision tolerances needed for optimal valvetrain geometry.

• Manufacturer: Brian Crower
• Part Number: BC3209
• Valve Type: Exhaust
• Head Diameter: 31.15mm
• Engine Fitment: Nissan SR20DE / SR20DET (RWD applications)
• Vehicle Fitment: 1989-1998 Nissan 240SX (All Trims)

The Vibrant Performance -12AN Roll Over Valve is a critical safety component engineered to prevent fuel leakage in the event of a vehicle inversion. Precision-machined from high-strength 6061 aluminum alloy, this valve ensures fuel remains securely contained within the tank during a rollover, protecting both the driver and the vehicle.

As a mandatory requirement for many professional and amateur racing organizations, this fitting is designed for performance and compliance. Its durable black anodized finish provides excellent corrosion resistance against various fuel types while maintaining a clean look in your fuel system.

• Part Number: 16722
• Fitting Size: -12AN
• Material: 6061 Aluminum Alloy
• Finish: Anodized Black
• Function: Automatic fuel shut-off during vehicle rollover
• Requirement: Meets safety standards for many racing sanctioning bodies

The Vibrant Performance -10AN Roll Over Valve is a critical safety component designed to prevent fuel from escaping the tank in the event of a vehicle rollover. This gravity-activated valve ensures your fuel system remains sealed under emergency conditions, mitigating fire risks and protecting the driver and vehicle.

Constructed from lightweight, high-strength 6061 aluminum alloy and finished in a black anodizing for superior corrosion resistance, this valve is engineered for the rigors of competitive motorsport. Many racing organizations require the installation of a rollover valve for tech inspection compliance; always consult your specific series rulebook for requirements.

• Manufacturer Part Number: 16720
• Fitting Size: -10AN
• Material: 6061 Aluminum Alloy
• Finish: Black Anodized
• Application: Fuel tank/cell safety ventilation

Enhance your vehicle's fuel system safety with the Vibrant Performance Rollover Valve. Precision-machined from 6061 aluminum alloy, this valve is engineered to automatically seal the fuel tank vent in the event of a vehicle rollover, ensuring fuel remains contained within the tank. This critical safety component helps mitigate fire risks during an accident or track incident.

Featuring a durable black anodized finish for superior corrosion resistance, this -8AN fitting is a required safety item for many sanctioned racing organizations and competitive events. Consult your specific sanctioning body's rulebook for installation and compliance requirements.

• Construction: 6061 Aluminum Alloy
• Fitting Size: -8AN
• Finish: Anodized Black
• Manufacturer Part Number: 16718
• Essential for race-compliant fuel cell venting systems