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Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Ferrea
113 products
113 products
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Engineered for high-performance Nissan NEO engines, the Ferrea Competition Plus Series intake valves are built to withstand the extreme stresses of high-RPM racing and forced induction. These valves utilize Ferrea's S-Flo (Super-Flo) design to minimize airflow restriction and improve volumetric efficiency compared to standard profiles.
Forged from proprietary high-tensile, heat-resistant alloys, each valve undergoes a multi-step heat-treatment process for maximum durability against high cylinder temperatures. The 20-degree face angle and precision-ground stems ensure a reliable seat seal and reduced friction within the valve guides, making them an essential upgrade for rebuilt or high-output cylinder heads.
- Series: Competition Plus
- Valve Type: Intake
- Head Diameter: 34.15mm
- Stem Diameter: 5.98mm
- Overall Length: 104.2mm
- Face Angle: 20 Degrees
- Design: S-Flo (Super-Flo)
- Material: Heat-Resistant Alloy
- Quantity: Set of 12
- Manufacturer Part Number: F1933P
Optimize the induction of your Nissan VG30DETT engine with this set of 12 Ferrea Competition Plus S-Flo intake valves. Fits Nissan 300ZX Twin Turbo models equipped with the 3.0L VG30DETT. These +1mm oversized valves feature a 35mm head diameter, providing the increased surface area necessary for high-performance cylinder head builds.
The Competition Plus series is manufactured from specialized aerospace-grade alloys designed to maintain structural integrity under the extreme heat and pressure of forced induction. Ferrea’s S-Flo (Super-Flow) design incorporates a specific 25-degree back angle to reduce airflow turbulence and improve volumetric efficiency. Note that +1mm oversized valves require professional machining of the valve seats for proper installation.
- Manufacturer Part Number: F1848P
- Head Diameter: 35mm (+1mm Oversize)
- Stem Diameter: 6mm
- Overall Length: 103.13mm
- Back Angle: 25 Degrees
- Valve Design: Super-Flow (S-Flo)
- Series: Competition Plus
- Quantity: Set of 12
This set of 8 Ferrea Competition Plus intake valves is engineered for the high-demand environment of the Mitsubishi 4G63 and 4G63T engines. Designed as a direct stock-size replacement, these 34mm valves feature Ferrea's S-Flo technology, incorporating a 20-degree back-cut to optimize cylinder head airflow and improve volumetric efficiency across the RPM range.
Constructed from proprietary high-tensile strength alloys, the Competition Plus series is built to withstand extreme heat and high-boost applications where factory valves often fail. Each valve is precision-ground to exacting tolerances to ensure a perfect seat and long-term reliability in performance street or dedicated track builds.
- Engine Compatibility: Mitsubishi 4G63 / 4G63T
- Series: Competition Plus S-Flo
- Head Diameter: 34.00mm (Standard)
- Stem Diameter: 6.57mm
- Overall Length: 109.70mm
- Underhead Angle: 20 Degrees
- Quantity: Set of 8 Intake Valves
- Manufacturer Part Number: F1826P
Engineered for high-output Mitsubishi 4G63 and 4G63T powerplants, this set of Ferrea Competition Plus Flo Series exhaust valves (F1825P) is built to withstand the extreme thermal stress and cylinder pressures common in turbocharged racing applications. These stock-diameter valves feature Ferrea's signature Super Flo design and a 22-degree face angle to optimize exhaust gas scavenging while maintaining superior structural integrity.
As part of the premier Competition Plus line, these valves are the choice of professional engine builders looking for reliable sealing and precise tolerances during high-RPM operation. They serve as a high-performance upgrade over factory components, fitting directly into the original head configuration without the need for oversized seats.
- Engine Compatibility: Mitsubishi 4G63 / 4G63T
- Product Series: Competition Plus Flo
- Valve Type: Exhaust
- Head Diameter: 30.5mm (Stock Size)
- Stem Diameter: 6.55mm
- Face Angle: 22 Degrees
- Quantity: Set of 8
- Manufacturer Part Number: F1825P
Designed for high-performance Volkswagen 1.8T 20V engines, this set of 12 Ferrea Competition Plus intake valves provides the thermal stability and tensile strength required for high-boost and high-RPM applications. These valves feature Ferrea's S-Flo design, which is engineered to optimize airflow and improve volumetric efficiency in the intake tract.
The Competition Plus series is precision-machined from proprietary high-heat alloys to withstand the extreme conditions of turbocharged environments. These valves utilize a stock-style groove (Stk Grv) for compatibility with OE-style retainers and keepers, while the 24-degree seat angle ensures a precise seal against the valve seat. This set is a direct performance upgrade for builders looking to replace worn factory components with race-grade hardware.
- Manufacturer Part Number: F1556P
- Series: Competition Plus
- Valve Type: Intake
- Head Diameter: 26.9mm
- Stem Diameter: 5.97mm
- Overall Length: 105.1mm
- Seat Angle: 24 Degrees
- Design: S-Flo
- Groove Type: Stock Groove
- Quantity: Set of 12
Engineered for high-performance and racing applications, this set of 12 Ferrea Competition Plus Series exhaust valves is designed specifically for the BMW M50 engine. These valves are manufactured to withstand the extreme thermal stresses and cylinder pressures common in modified or forced-induction builds, providing a significant upgrade over standard components.
- Manufacturer Part Number: F1552P
- Series: Competition Plus
- Head Diameter: 30.5mm
- Stem Diameter: 5.96mm
- Overall Length: 106mm
- Lock Type: Triple Groove
- Back Angle: 25 Degree (Super Flo profile)
- Fitment: BMW M50 Engine
- Quantity: Set of 12 Valves
The F1552P valves feature Ferrea's Super Flo design with a 25-degree back angle, optimizing exhaust gas flow and scavenging efficiency. These valves utilize the factory-style triple groove lock configuration for a drop-in fitment that maintains precise valvetrain geometry and reliability at high RPMs.
Upgrade your BMW M50 engine's valvetrain with this set of 12 Ferrea Competition Plus S-Flo intake valves (F1550P). These valves are specifically engineered for high-performance and racing applications where thermal stability and airflow efficiency are critical. The Competition Plus series utilizes proprietary alloys designed to withstand the extreme temperatures and pressures found in high-RPM and forced induction builds.
The S-Flo (Super-Flo) design features a modified valve head profile that reduces drag and optimizes airflow into the combustion chamber. Precision-machined with a 12-degree seat angle and standard triple groove locks, these valves are a direct-fit solution for M50 cylinder heads requiring standard-sized components.
- Manufacturer Part Number: F1550P
- Engine Application: BMW M50
- Valve Type: Intake
- Head Diameter: 32.95mm
- Stem Diameter: 5.97mm
- Overall Length: 106.1mm
- Seat Angle: 12 Degrees
- Lock Type: Triple Groove
- Series: Competition Plus / S-Flo
- Quantity: Set of 12
Engineered for high-performance Acura K20 engine builds, this set of eight Ferrea Competition Plus Super-Flo intake valves provides the thermal stability and increased airflow required for competitive racing applications. These valves are part of Ferrea's premier Competition Plus series, designed to withstand the extreme cylinder pressures and temperatures found in high-RPM naturally aspirated and forced induction setups.
The Super-Flo (S-Flo) design features a modified stem and head profile to reduce drag and improve volumetric efficiency. At 36mm, these valves are +1mm oversized compared to stock, offering a larger curtain area for significantly improved intake charges. Each valve is manufactured to exacting tolerances to ensure a precise seal and reliable valvetrain geometry.
- Manufacturer Part Number: F1549P
- Fitment: Acura K20 Engines
- Head Diameter: 36mm (+1mm Oversize)
- Stem Diameter: 5.47mm
- Overall Length: 109.3mm
- Seat Angle: 20 Degrees
- Valve Design: Super-Flo (S-Flo)
- Quantity: Set of 8 Intake Valves
Upgrade your cylinder head with this set of 8 Ferrea Competition Plus series intake valves, specifically engineered for Acura K20 engines. These valves are part of Ferrea's premier racing line, designed to withstand the extreme heat and high-RPM stresses of professional-grade motorsport applications.
The F1548P valves feature Ferrea's S-Flo design, which optimizes the valve profile to improve airflow and volumetric efficiency compared to standard stock profiles. Manufactured from high-tensile strength aerospace alloys, these valves offer superior resistance to fatigue and heat-induced deformation.
- Manufacturer Part Number: F1548P
- Application: Acura K20 engines
- Head Diameter: 35.00mm (Stock Size)
- Stem Diameter: 5.47mm
- Overall Length: 109.30mm
- Seat Angle: 20 Degrees
- Design: S-Flo profile for improved flow characteristics
- Series: Competition Plus
- Quantity: Set of 8 Intake Valves
Fits Acura K20 engines.
Engineered for high-RPM racing and extreme thermal loads, this set of eight Ferrea Competition Plus exhaust valves (F1547P) provides the durability and flow characteristics required for high-performance K-series builds. These valves feature a +1mm oversize 31mm dish head design with a 30-degree seat angle, optimized to improve exhaust gas scavenging and overall volumetric efficiency.
Each valve is manufactured using proprietary aerospace-quality alloys and precision heat-treatment processes to resist fatigue and valve seat recession. The Super Flo design reduces stem interference in the port, while the precision-ground 5.45mm stem ensures consistent guide clearance and stable valve train geometry under heavy load.
- Series: Competition Plus
- Head Diameter: 31mm (+1mm Oversize)
- Stem Diameter: 5.45mm
- Overall Length: 109.15mm
- Seat Angle: 30 Degree
- Head Design: Flo Dish Head
- Quantity: Set of 8
- Manufacturer Part Number: F1547P
Fits Acura K20 series engines.
Ensure your valvetrain can handle the thermal and mechanical stresses of high-performance driving with Ferrea Competition Plus Series exhaust valves. These valves are engineered for professional racing applications, utilizing premium aerospace-grade alloys and proprietary heat-treatment processes to provide exceptional fatigue resistance and tensile strength.
Designed as a stock-diameter replacement, these F1546P valves feature a 30-degree flo design and a dish head profile. This configuration optimizes exhaust gas scavenging without altering factory compression ratios, making them an ideal choice for both high-revving naturally aspirated builds and forced induction K-series setups.
- Series: Competition Plus
- Head Diameter: 30mm (Stock)
- Stem Diameter: 5.45mm
- Overall Length: 109.15mm
- Head Style: Flo Dish Head
- Seat Angle: 30 Degrees
- Manufacturer Part Number: F1546P
- Quantity: Set of 8 Valves
Designed for high-output Subaru EJ20 engines, this set of eight Ferrea Competition Plus intake valves provides the thermal stability and airflow efficiency required for high-RPM racing and forced induction applications. These +1mm oversize valves feature Ferrea’s Super-Flo (S-Flo) design, which reduces stem drag and optimizes port flow to increase volumetric efficiency.
- Series: Competition Plus
- Engine Fitment: Subaru EJ20
- Valve Type: Intake
- Head Diameter: 37mm (+1mm Oversize)
- Stem Diameter: 5.97mm
- Overall Length: 104.60mm
- Seat Angle: 19 Degrees
- Design: S-Flo (Super-Flo)
- Quantity: Set of 8
- MPN: F1524P
Each valve is manufactured from high-tensile strength aerospace alloys, specifically engineered to withstand extreme heat and cylinder pressures without deforming. Whether you are rebuilding a track-focused EJ20 or looking for more flow in a high-boost street build, these Ferrea valves offer the precision tolerances needed for a reliable valvetrain.
Optimized for high-performance and racing applications, this set of eight Ferrea Competition Plus Series intake valves is designed specifically for the Subaru EJ20 engine. These valves feature Ferrea’s signature Super-Flo (S-Flo) design, which uses a proprietary stem profiling to reduce drag and significantly improve airflow through the intake ports compared to standard profiles.
Manufactured from high-tensile strength aerospace-grade alloys, the Competition Plus line is engineered to withstand the extreme heat and mechanical stresses of high-RPM turbocharged environments. These valves provide the reliability needed for professional motorsport while maintaining precision tolerances for a perfect seal.
- Engine Fitment: Subaru EJ20
- Valve Type: Intake (Super-Flo Design)
- Head Diameter: 36mm (Stock Size)
- Stem Diameter: 5.97mm
- Overall Length: 104.6mm
- Seat Angle: 19 Degrees
- Manufacturer Part Number: F1520P
- Quantity: Set of 8
Designed for the extreme thermal environments of high-boost Subaru EJ20 engines, this set of eight Ferrea Super Alloy exhaust valves provides the durability and heat resistance required for competition use. These +1mm oversize valves feature a 33mm head diameter and a proprietary Super Alloy construction that maintains structural integrity under intense exhaust gas temperatures where standard stainless steel might fail.
- Manufacturer Part Number: F1519P
- Fitment: Subaru EJ20
- Quantity: Set of 8 Valves
- Material: High-Temperature Super Alloy
- Head Diameter: 33.00mm (+1mm Oversize)
- Stem Diameter: 5.96mm
- Overall Length: 104.75mm
- Face Angle: 25 Degree Flo design for improved flow
- Tip Length: 4.5mm
The 25-degree Flo design optimizes exhaust scavenging, making these an essential upgrade for cylinder head porting projects. These valves are engineered to drop into compatible Subaru EJ20 heads as a high-performance replacement for the OE exhaust valves.
Engineered for the extreme thermal demands of high-performance Subaru EJ20 engines, this set of 8 Ferrea Super Alloy exhaust valves (MPN F1514P) provides the durability needed for high-boost or high-RPM builds. The Super Alloy construction is specifically chosen for its ability to withstand extreme exhaust gas temperatures (EGTs) without compromising structural integrity or seat sealing, making these an essential upgrade for turbocharged applications.
- Engine Fitment: Subaru EJ20
- Material: Ferrea Super Alloy (High-Heat Resistance)
- Head Diameter: 32.00mm (Stock)
- Stem Diameter: 5.96mm
- Overall Length: 104.75mm
- Design: 25-Degree Flo
- Quantity: Set of 8
- Manufacturer Part Number: F1514P
Engineered for the high-thermal environments of high-output and turbocharged Toyota 2JZGE and 2JZGTE engines, these Ferrea exhaust valves are manufactured from a proprietary Super Alloy to withstand extreme combustion temperatures. These stock-size 29mm valves feature Ferrea's signature Flo design and a 22-degree seat angle, optimized to improve exhaust gas scavenging and overall cylinder head flow efficiency.
- Head Diameter: 29mm (Stock Size)
- Stem Diameter: 5.98mm
- Overall Length: 99.11mm
- Material: Super Alloy (High-Temp Resistance)
- Design: 22-Degree Flo Series
- Application: Toyota 2JZGE / 2JZGTE
- Quantity: Set of 12
- Manufacturer Part Number: F1499P
Engineered for high-performance Toyota 2JZGE and 2JZGTE engines, this set of 12 Ferrea Competition Plus S-Flo intake valves (F1498P) delivers the reliability and flow characteristics required for professional racing and high-boost applications. These valves are designed to withstand extreme thermal loads while maintaining structural integrity in high-RPM environments.
The Competition Plus series is Ferrea’s flagship line, utilizing specialized alloys and manufacturing processes to ensure superior fatigue resistance. The S-Flo (Super Flow) design features a modified head profile that reduces turbulence and improves airflow across the valve seat. These stock-diameter valves are a direct-fit solution for builders looking to upgrade from OEM components without modifying the valve seats.
- Fits Toyota 2JZGE and 2JZGTE engines
- Series: Competition Plus S-Flo
- Head Diameter: 33.60mm (Stock Size)
- Stem Diameter: 5.98mm
- Overall Length: 98.55mm
- Tip Angle: 20 Degrees
- Quantity: Set of 12 Intake Valves
- Manufacturer Part Number: F1498P
This set of 12 Ferrea Super Alloy exhaust valves is engineered for the high-performance demands of Toyota 2JZGE and 2JZGTE engines. Designed as a +1mm oversized upgrade, these valves feature a 30mm head diameter to increase exhaust gas flow, making them a critical component for high-boost turbocharged builds where thermal management and gas velocity are paramount.
Constructed from Ferrea's proprietary Super Alloy material, these valves (MPN: F1497P) are designed to withstand the extreme temperatures and pressures of racing environments. The 22-degree Flo design optimizes airflow through the exhaust port, while the 5.98mm stem diameter and 99.1mm overall length ensure precise fitment and reliable valvetrain geometry.
- Fits Toyota 2JZGE and 2JZGTE engines
- Head Diameter: 30mm (+1mm Oversized)
- Stem Diameter: 5.98mm
- Overall Length: 99.1mm
- Valve Profile: 22-Degree Flo
- Material: Super Alloy for extreme heat resistance
- Includes: Set of 12 Exhaust Valves
- Manufacturer Part Number: F1497P
Designed for high-performance and professional racing builds, this set of 12 Ferrea Competition Plus intake valves is engineered specifically for the Toyota 2JZ-GE and 2JZ-GTE engines.
These valves feature Ferrea’s signature S-Flo design, which utilizes a specialized head profile to significantly improve airflow characteristics compared to standard valves. As part of the Competition Plus series, they are manufactured from high-tensile strength aerospace-grade alloys to withstand the extreme cylinder pressures and heat found in high-boost turbocharged applications. Each valve is precision-ground to exacting tolerances, ensuring a perfect seal and long-term reliability in demanding 2JZ cylinder heads.
- Engine Fitment: Toyota 2JZ-GE / 2JZ-GTE
- Valve Type: Intake (+1mm Oversize)
- Head Diameter: 34.6mm
- Stem Diameter: 5.98mm
- Overall Length: 98.55mm
- Seat Angle: 20 Degrees
- Design: S-Flo
- Series: Competition Plus
- Quantity: Set of 12
- Manufacturer Part Number: F1496P
Engineered for high-performance builds, this set of eight Ferrea Competition Plus exhaust valves is designed specifically for the Mitsubishi 4G63 and 4G63T engines. These +1mm oversize valves feature a 31.5mm head diameter and a 20-degree Flo design to optimize exhaust gas scavenging and flow characteristics, particularly in high-boost turbocharged applications.
The Competition Plus series is manufactured from specialized high-temperature alloys, providing the thermal stability required to withstand the extreme cylinder pressures and heat found in tuned 4G63 platforms. Whether refreshing a cylinder head or performing a ground-up performance build, these valves replace standard factory units with components capable of handling significantly higher power levels.
- Manufacturer Part Number: F1454P
- Fitment: Mitsubishi 4G63 / 4G63T Engines
- Head Diameter: 31.5mm (+1mm Oversize)
- Stem Diameter: 6.55mm
- Valve Design: 20 Degree Flo
- Quantity: Set of 8 Exhaust Valves
Fits Mitsubishi 4G63 and 4G63T engines. These Ferrea Competition Plus S-Flo intake valves are engineered for high-performance builds requiring increased airflow and superior thermal resistance. This set of eight valves features a +1mm oversize (35mm) head diameter, making them a preferred choice for cylinder heads undergoing performance porting or full race preparation.
The Competition Plus series is manufactured using proprietary high-heat alloys designed to withstand the extreme stresses of turbocharged and high-RPM environments. The S-Flo design utilizes a specialized neck and tulip profile to minimize flow restrictions and maximize intake velocity. Each valve is precision-ground to exact tolerances for consistent seating and reliable valve train geometry.
- Series: Competition Plus (Comp Plus)
- Valve Design: S-Flo
- Head Diameter: 35mm (+1mm Oversize)
- Stem Diameter: 6.57mm
- Overall Length: 109.7mm
- Seat Angle: 20 Degrees
- Quantity: Set of 8
- Manufacturer Part Number: F1452P
This set of eight Ferrea F1449P Super Alloy exhaust valves is engineered for the high-thermal demands of Honda B16A1 and B17A1 engines. Constructed from a specialized Super Alloy material, these valves are specifically designed to withstand the extreme exhaust gas temperatures found in high-compression, turbocharged, or nitrous-assisted builds where standard stainless steel may fail.
Featuring Ferrea’s 25-degree Flo design, these stock-diameter valves optimize gas scavenging and airflow efficiency. Each valve is precision-machined to ensure tight tolerances for stem-to-guide clearance and consistent seating, providing the reliability needed for high-RPM racing applications.
- Manufacturer Part Number: F1449P
- Material: High-temperature Super Alloy
- Head Diameter: 28.00mm (Stock)
- Stem Diameter: 5.45mm
- Overall Length: 102.50mm
- Valve Design: 25 Degree Flo Back-cut
- Application: Honda/Acura B16A1 and B17A1 engines
- Quantity: Complete set of 8 exhaust valves
Engineered for high-performance Honda B-Series VTEC engines, this set of eight Ferrea Competition Plus S-Flo intake valves (F1448P) is designed to handle the extreme heat and mechanical stresses of high-RPM racing and forced induction. These stock-sized 33mm valves feature Ferrea's signature Super-Flo (S-Flo) design, which utilizes an optimized stem and head profile to reduce drag and increase volumetric efficiency over standard factory valves.
Each valve is manufactured from proprietary aerospace-grade alloys and undergoes a multi-step heat treatment and forging process for maximum tensile strength. The 25-degree back angle is precision-machined to ensure smooth airflow transitions into the combustion chamber, making these an essential upgrade for B17A1, B18C1, and B18C3 cylinder heads requiring OE-diameter fitment with competition-grade durability.
- Series: Competition Plus S-Flo
- Head Diameter: 33mm (Stock Size)
- Stem Diameter: 5.47mm
- Back Angle: 25 Degrees
- Material: Proprietary High-Tensile Alloy
- Quantity: Set of 8 Intake Valves
- Part Number: F1448P
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