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!
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!
Your cart
-
0-9
-
A
-
B
-
R
-
S
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
Product Comparison
How they are Different
|
__ __ |
|
|---|---|
| Description |
Description - __ |
| Rating |
Rating - __ |
| Vendor |
Vendor - __ |
| Color |
Color - __ |
|
|
Compare products ( / )
Ferrea
113 products
113 products
Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
Fits select 2009-2016 Volkswagen GTI, Golf R, and other models equipped with the 2.0T TSI engine.
The Ferrea KT4025 Single Spring Kit is an essential upgrade for high-performance 2.0T TSI builds. Designed to provide superior valvetrain stability, these springs are engineered to prevent valve float at high RPMs, making them ideal for tuned vehicles or those running upgraded turbochargers and camshafts. Each spring is manufactured from premium-grade alloys and undergoes rigorous heat-treatment processes to ensure long-term durability and consistent pressure over thousands of heat cycles.
- Prevents valve float and ensures reliable valvetrain geometry
- Engineered for performance TSI cylinder heads
- Compatible with high-lift camshaft profiles
- Manufacturer Part Number: KT4025
- Application: 2.0T TSI Engines
The Ferrea Endurance Dual Valve Spring Kit (KT4020) is engineered to provide the valvetrain stability required for high-performance and track-driven Subaru WRX STI engines. By utilizing a precision-wound dual-spring design, this kit effectively manages valvetrain harmonics and prevents valve float at high RPMs, protecting your engine during aggressive driving or high-boost conditions.
Each spring is manufactured from high-tensile premium alloys and subjected to specialized heat-treatment processes to ensure consistent spring rates and long-term durability under extreme thermal stress. This kit is a critical upgrade for owners looking to improve valvetrain control and reliability beyond the limits of factory components.
- Fits Subaru WRX STI
- Series: Endurance Dual Spring Kit
- Engineered to prevent valve float and maintain timing accuracy at high RPM
- Premium alloy construction for superior fatigue resistance
- Manufacturer Part Number: KT4020
Fits Nissan GT-R models equipped with the VR38DETT engine.
The Ferrea KT4016 Single Valve Spring Kit is a critical valvetrain upgrade engineered for high-performance Nissan GT-R builds. These springs provide the increased seat pressure and stability required to maintain precise valve control at higher RPM levels and under increased boost, effectively preventing valve float. Each spring is manufactured from premium, fatigue-resistant alloys and undergoes a rigorous heat-treating process to ensure long-term durability and consistent performance under extreme thermal loads.
- Engineered specifically for the Nissan VR38DETT engine platform
- Prevents valve float and maintains timing accuracy at high RPM
- Constructed from high-tensile, fatigue-resistant wire
- Designed for compatibility with performance valvetrain components
- Manufacturer Part Number: KT4016
Fits Nissan GT-R models equipped with the VR38DETT engine.
Designed for high-performance applications, the Ferrea KT4015 Dual Valve Spring Kit is engineered to maintain valvetrain stability where factory springs often fail. This dual spring configuration provides the necessary seat pressure and rate to prevent valve float, a critical requirement for GT-R builds running increased boost levels or higher RPM limits.
By utilizing premium alloy materials and precision manufacturing tolerances, Ferrea ensures these springs withstand the thermal and mechanical stresses of high-output VR38DETT engines. This kit is a direct upgrade for professional engine builders seeking to protect their valvetrain and optimize intake and exhaust valve harmonics.
- Engineered specifically for the Nissan VR38DETT valvetrain geometry
- Dual spring design provides superior harmonics control over single spring setups
- Prevents valve float in high-RPM and high-boost environments
- Manufacturer Part Number: KT4015
The Ferrea Dual Valve Spring Kit (KT4011) is a critical valvetrain upgrade for the 2000-2009 Honda S2000, designed to handle the high-revving demands of the F20C and F22C1 engines. This kit provides the necessary tension and stability to prevent valve float at high RPMs, ensuring the valves close precisely and stay seated even when using aggressive aftermarket camshaft profiles.
- Direct fit for 2000-2009 Honda S2000 (2.0L F20C / 2.2L F22C1)
- Manufacturer Part Number: KT4011
- Engineered to eliminate valve float during high-RPM operation
- Provides increased seat pressure over factory single-spring configurations
- Supports increased valve lift for high-performance builds
- Precision-wound for consistent spring rates and long-term durability
Designed for the extreme demands of high-RPM competition, the Ferrea KT4004 Drag Racing Dual Valve Spring Kit provides the valvetrain stability required for high-lift camshaft profiles and aggressive racing cycles. This kit is specifically engineered for Acura K20 engines, offering superior harmonics control to prevent valve float and ensure precise valve timing during high-output drag racing passes.
- Fits Acura K20 engines
- Manufacturer Part Number: KT4004
- Dual spring configuration for increased pressure and stability
- Optimized for high-lift, high-RPM drag racing applications
- Developed using premium alloys and precision heat-treating processes
Fits select Honda and Acura vehicles equipped with B16 and B18 engines. The Ferrea KT4002 High Pressure Dual Valve Spring Kit is engineered for high-performance valvetrains that require increased seat pressure to maintain stability at elevated RPM ranges.
These dual springs are manufactured from premium high-tensile alloys designed to resist fatigue and prevent valve float under the stress of aggressive camshaft profiles and high-lift applications. This kit is a critical upgrade for high-revving naturally aspirated builds or forced induction setups where precise valve timing and valvetrain integrity are paramount.
- Manufacturer Part Number: KT4002
- Application: Honda/Acura B16 & B18 Engines
- Spring Type: Dual High Pressure
- Material: High-tensile strength alloy for maximum durability
- Designed to prevent valve float and ensure reliable high-RPM operation
Fits Volkswagen 12v VR6 engines (2.8L).
Ferrea Radial Steel Valve Locks are precision-engineered to provide superior clamping force and valvetrain stability. Designed for the specific requirements of the 12v VR6 cylinder head, these 7-degree locks are machined from high-grade steel to ensure a reliable interface between the valve stem and the retainer. They are essential for maintaining correct valve timing and preventing failure in high-performance or high-RPM applications.
- Part Number: K10099
- Material: High-strength steel
- Taper: 7-Degree
- Lock Style: Radial groove
- Quantity: Set of 12
Fits 2008-2015 Mitsubishi Lancer Evolution X (2.0L 4B11T).
Secure your valvetrain with this set of Ferrea 5.5mm valve locks, engineered specifically for the 4B11T engine. These locks (also known as keepers) provide a precise, high-strength interface between the valve stem and the retainer. Precision-machined to strict tolerances, they are an essential upgrade for high-RPM applications and performance builds where maintaining valvetrain integrity is critical.
- Manufacturer Part Number: K10091
- Stem Diameter: 5.5mm
- Quantity: Set of 16 (Complete set for 16-valve cylinder heads)
- Engine Compatibility: Mitsubishi 2.0L 4B11T
- Application: High-performance and racing valvetrain systems
Ensure precise valve retention and valvetrain stability in your Nissan 2.4L KA24DE engine with Ferrea K10062 Steel Valve Locks. These 7mm radial groove locks are engineered for high-performance applications, providing the necessary strength to handle increased RPM and aggressive cam profiles. They replace standard factory keepers with high-strength steel components designed for exact tolerances.
Fits Nissan 2.4L KA24DE engines. Note: These valve locks are specifically designed for use with Ferrea E11021 retainers to ensure proper fitment and security.
- Manufacturer Part Number: K10062
- Engine Fitment: Nissan KA24DE (2.4L)
- Stem Diameter: 7mm
- Lock Style: Radial Groove
- Material: High-strength steel
- Quantity: Set of 16
- Required Hardware: Must be used with Ferrea E11021 retainers
Designed for select Toyota engines, these Ferrea K10037 6-degree valve locks provide the precision and reliability required for high-performance valvetrains. Whether you are performing a complete cylinder head rebuild or upgrading for high-RPM stability, these locks ensure your valve spring retainers stay securely seated under extreme stress.
These valve locks feature a radial groove design, which is specifically engineered to distribute pressure more evenly across the valve stem compared to traditional square-groove designs. Precision-machined to exact tolerances, the 6-degree taper provides a secure interface between the valve and the retainer, preventing component separation and potential valvetrain failure.
- Manufacturer Part Number: K10037
- Quantity: Set of 24 locks
- Groove Type: Radial Groove
- Taper Angle: 6-Degree
- Compatibility: Engineered for select Toyota engine applications
- Application: Ideal for street performance and racing environments
Ensure maximum valvetrain stability and security with the Ferrea K10034 5.5mm Radial Groove Steel Valve Locks. These locks are precision-machined from high-tensile steel to withstand the extreme stresses of high-performance and racing environments. Designed specifically for valves featuring a 5.5mm stem diameter and a radial groove configuration, they provide a consistent, reliable seat within a 7-degree retainer.
- Manufacturer Part Number: K10034
- Stem Diameter: 5.5mm
- Groove Type: Radial Groove
- Taper Angle: 7-Degree
- Material: High-quality machined steel
- Quantity: Set of 16 (Complete for 4-cylinder 16-valve applications)
Proper valve lock engagement is critical for maintaining valve height and preventing catastrophic engine failure under high RPM and increased spring pressures. This set of 16 locks replaces worn or inferior OE hardware in performance valvetrain builds.
Fits Honda F20C engines found in the S2000.
Ferrea 6000 Series S-Flo intake valves are engineered for high-performance applications where increased airflow and valvetrain reliability are critical. The S-Flo (Super-Flo) design utilizes a specialized stem and head profile to reduce drag and improve intake charge velocity into the combustion chamber. Forged from high-tensile stainless steel, these valves are designed to withstand the extreme thermal stresses and high RPMs characteristic of the Honda F-series valvetrain.
- Manufacturer Part Number: F6330
- Valve Type: Intake
- Head Diameter: 36.00mm (Stock)
- Stem Diameter: 5.48mm
- Overall Length: 109.80mm
- Seat Angle: 22 Degrees
- Series: 6000 Series S-Flo
- Material: High-tensile Stainless Steel
- Quantity: Set of 8
Fits Honda F20C engines.
Engineered for high-RPM durability and thermal stability, the Ferrea 6000 Series Exhaust Valves are a premium solution for Honda F20C valvetrains. These valves are manufactured using a proprietary two-step forging process and specialized heat-treatment cycles to withstand the extreme temperatures and pressures found in high-performance exhaust ports.
This set of 8 stock-diameter valves features Ferrea's signature Flo-Design, optimizing gas flow characteristics beyond standard valve profiles. Each component is precision-machined to exact tolerances, ensuring consistent seat sealing and reliable valvetrain geometry for professional engine builds.
- Engine Application: Honda F20C
- Series: 6000 Series
- Head Diameter: 31mm
- Stem Diameter: 5.46mm
- Overall Length: 109mm
- Seat Angle: 24 Degrees (Flo Design)
- Sizing: Stock Replacement
- Quantity: Set of 8
- Manufacturer Part Number: F6329
Optimize your cylinder head performance with this set of eight Ferrea 6000 Series intake valves, specifically engineered for the Mitsubishi 4B11T engine. These valves feature Ferrea's S-Flo (Super-Flow) design, which utilizes a specialized head profile to reduce airflow resistance and improve volumetric efficiency in high-performance applications.
Forged from high-tensile alloys, the 6000 Series is built to withstand the extreme thermal and mechanical stresses common in turbocharged engines. Each valve is precision-ground to strict tolerances, featuring a single-groove lock design for reliable retention during high-RPM operation and aggressive cam profiles.
- Engine: Mitsubishi 4B11T
- Series: 6000 Series
- Valve Type: Intake
- Head Diameter: 35.00mm (Stock)
- Stem Diameter: 5.47mm
- Overall Length: 113.25mm
- Face Angle: 15 Degrees
- Design: S-Flo (Super-Flow)
- Groove: Single Groove
- Quantity: Set of 8
- Manufacturer Part Number: F6294
This set of 12 Ferrea 6000 Series S-Flo intake valves is engineered for the Toyota 2JZGE and 2JZGTE engines, providing a high-strength solution for performance engine builds. Designed to replace worn OE components, these valves are crafted from premium heat-resistant alloys to withstand the extreme thermal stresses of high-RPM and forced induction applications.
The S-Flo design features a specialized aerodynamic profile that reduces turbulence and optimizes intake air velocity compared to standard valve shapes. Each valve is manufactured to exacting tolerances, ensuring consistent seating and a reliable combustion seal. Whether you are refreshing a street-driven 2JZ or building a high-horsepower race engine, these 6000 Series valves provide the durability and flow characteristics required for peak performance.
- Fits Toyota 2JZGE and 2JZGTE engines
- Manufacturer Part Number: F6098
- Series: 6000 Series S-Flo
- Valve Type: Intake
- Head Diameter: 33.60mm
- Stem Diameter: 5.98mm
- Overall Length: 98.55mm
- Seat Angle: 20 Degrees
- Quantity: Set of 12
Fits Subaru EJ20 engines.
This set of eight Ferrea 6000 Series intake valves is engineered for the Subaru EJ20 engine, providing a high-performance alternative to stock components. Featuring the Super-Flo (S-Flo) 19-degree design, these valves are optimized to reduce drag and improve airflow velocity through the intake ports for improved volumetric efficiency.
Built for durability in demanding street and racing environments, the F6077 valves utilize a radius groove design and are manufactured to stock 36mm head diameter specifications for straightforward installation during a cylinder head refresh or performance build.
- Engine Fitment: Subaru EJ20
- Product Series: 6000 Series
- Head Diameter: 36.00mm (Stock Size)
- Stem Diameter: 5.97mm
- Valve Type: Intake
- Groove Type: Radius
- Design: 19 Degree S-Flo
- Manufacturer Part Number: F6077
- Quantity: Set of 8 Valves
Designed for performance engine builders and enthusiasts, the Ferrea 6000 Series exhaust valves are engineered to withstand the extreme thermal loads of the Subaru EJ20 engine platform. These valves are manufactured from high-tensile strength alloys and undergo a specialized heat-treatment process to ensure long-term durability in high-performance applications.
This complete set of eight valves features a 25-degree "Flo" radius design, which enhances exhaust gas scavenging and improves overall cylinder head flow. Each valve is precision-ground with a stock-style groove to ensure compatibility with factory or equivalent valvetrain components, making them a reliable replacement for worn or damaged OE valves during a performance rebuild.
- Engine Application: Subaru EJ20
- Valve Type: Exhaust
- Head Diameter: 32mm
- Stem Diameter: 5.96mm
- Overall Length: 104.75mm
- Valve Design: 25 Degree Flo Radius
- Groove Type: Stock Groove
- Product Series: 6000 Series
- Quantity: Set of 8
- Manufacturer Part Number: F6075
Fits Acura K20 engines.
Ferrea 6000 Series Competition Valves are engineered to handle the thermal and mechanical stresses of high-performance and racing engines. These +1mm oversize intake valves feature Ferrea's proprietary S-Flo design, which incorporates a radius groove and specialized head profiling to significantly improve airflow into the combustion chamber. Precision-machined to aerospace tolerances, these valves provide the reliability required for high-RPM K-series builds.
- Manufacturer Part Number: F6074
- Head Diameter: 36.0mm (+1mm Oversize)
- Stem Diameter: 5.47mm
- Overall Length: 109.30mm
- Seat Angle: 20 Degrees
- Groove Type: Radius Groove
- Series: 6000 Series S-Flo
- Quantity: Set of 8
Fits Acura K20 engines.
Engineered for high-performance cylinder head builds, this set of eight Ferrea 6000 Series Intake Valves (MPN: F6073) provides the thermal stability and airflow efficiency required for high-RPM operation. These valves feature Ferrea’s Super-Flo (S-Flo) design, which reduces stem drag to optimize intake charges. Precision-machined from high-tensile alloys, they are designed to meet the strict tolerances of the K-series platform while maintaining a stock 35mm head diameter.
- Engine Application: Acura K20
- Head Diameter: 35.00mm (Stock)
- Stem Diameter: 5.47mm
- Overall Length: 109.30mm
- Seat Angle: 20 Degrees
- Groove Type: Radius Groove
- Series: 6000 Series Super-Flo
- Quantity: Set of 8 Intake Valves
- Manufacturer Part Number: F6073
Engineered for high-performance and racing applications, the Ferrea 6000 Series exhaust valves provide the thermal stability and structural integrity required for the Acura K20 engine. These valves are manufactured using a specialized forging process and high-tensile strength alloys to withstand extreme cylinder pressures and high EGTs.
- Series: Ferrea 6000 Series Competition Plus
- Head Diameter: 30.00mm (Stock Size)
- Stem Diameter: 5.45mm
- Overall Length: 109.15mm
- Face Angle: 22-Degree Flo Radius for improved exhaust gas flow
- Tip Length: 2.5mm
- Groove: Single Groove (Grv)
- Quantity: Set of 8 valves
- Manufacturer Part Number: F6071
The 22-degree Flo Radius design is specifically shaped to reduce turbulence and increase flow efficiency compared to standard profile valves, making these an essential upgrade for both naturally aspirated and forced induction K-series builds.
Fits select 1992-2000 Honda Civic and Del Sol models equipped with D16Z6, D16Y5, D16Y7, and D16Y8 engines.
Ferrea 6000 Series Competition Plus intake valves are engineered for performance engines that demand superior thermal resistance and structural integrity at high RPMs. These S-Flo (Super Flow) valves feature a 20-degree back-cut design to optimize airflow across the valve head, improving intake efficiency over standard profiles. Each valve is manufactured from high-tensile stainless steel alloys and finished with a radial groove to ensure a precise, secure interface with your valve locks and retainers.
- Manufacturer Part Number: F6068
- Head Diameter: 30.00mm (Stock Size)
- Stem Diameter: 5.48mm
- Valve Profile: S-Flo with 20-Degree Back-cut
- Lock Groove: Radial
- Series: 6000 Series
- Material: Competition Plus Stainless Steel
- Included: Set of 8 Intake Valves
Fits Honda D16Z6, D16Y5, D16Y7, and D16Y8 engines.
This set of eight Ferrea 6000 Series exhaust valves is engineered to provide superior heat resistance and durability for Honda D16 cylinder heads. Designed as a high-performance replacement for stock components, these valves feature a specialized flow radial groove design and a precision 22-degree seat angle to optimize exhaust gas velocity. Each valve is manufactured to exacting tolerances to ensure a perfect fit and consistent sealing in demanding environments.
- Manufacturer Part Number: F6067
- Series: 6000 Series
- Head Diameter: 26mm
- Stem Diameter: 5.46mm
- Seat Angle: 22 Degrees
- Groove Design: Flow Radial Groove
- Fitment Type: Stock size replacement
- Quantity: Set of 8
Fits Mitsubishi 4G63T engines. This set of eight Ferrea 6000 Series exhaust valves is engineered to handle the increased thermal loads and pressures of high-performance and turbocharged applications. These valves feature a +1mm oversize head diameter and a 22-degree Flo design to optimize exhaust gas flow and scavenging.
Each valve is manufactured to strict tolerances, ensuring consistent heat dissipation and structural integrity during high-RPM operation. These are a performance upgrade for the 4G63T cylinder head, requiring appropriate seat work for the oversize head diameter.
- Brand: Ferrea Racing Components
- Series: 6000 Series
- Part Number: F6054
- Engine Application: Mitsubishi 4G63T
- Head Diameter: 31.5mm (+1mm Oversize)
- Stem Diameter: 6.55mm
- Overall Length: 109.7mm
- Valve Angle: 22 Degree Flo
- Quantity: Set of 8
Enhance cylinder head airflow and durability with this set of eight Ferrea 6000 Series intake valves for Mitsubishi 4G63 and 4G63T engines. These valves are engineered for high-performance and forced induction builds, featuring a +1mm (35mm) oversize head diameter to maximize port flow capacity. The S-Flo (Super-Flow) profile incorporates an undercut stem design that reduces weight and improves intake air velocity, making them ideal for high-RPM applications where every CFM counts.
- Manufactured from high-tensile strength alloys for extreme thermal stability.
- S-Flo undercut stem design increases port volume and air speed.
- Heat-treated and stress-relieved to maintain dimensional integrity under heavy loads.
- Swirl-polished heads and hard chrome-plated stems for reduced friction and improved wear resistance.
- Manufacturer: Ferrea Racing Components
- Series: 6000 Series
- Part Number: F6052
- Valve Type: Intake
- Head Diameter: 35mm (+1mm Oversize)
- Stem Diameter: 6.57mm
- Seat Angle: 20 Degrees
- Quantity: Set of 8
Fits Honda and Acura engines B16A1 and B17A1. This set of eight Ferrea 6000 Series exhaust valves is engineered to meet the demands of high-performance street and racing applications where reliability and heat management are critical.
Ferrea 6000 Series valves are manufactured using a specialized forging process to ensure high tensile strength and superior fatigue resistance. Designed to withstand the intense thermal loads of the exhaust cycle, these valves feature a 25-degree Flo stock profile that optimizes exhaust gas scavenging and cylinder head flow. Each valve is precision-machined to strict tolerances, providing a high-grade replacement for worn or underperforming OE components in high-revving Honda B-series builds.
- Manufacturer Part Number: F6049
- Series: 6000 Series
- Valve Type: Exhaust
- Head Diameter: 28.00mm
- Stem Diameter: 5.45mm
- Overall Length: 102.50mm
- Seat Angle: 25-Degree Flo Stock
- Quantity: Set of 8
Fits Honda B17A1, B18C1, and B18C3 engines. These Ferrea 6000 Series S-Flo intake valves are engineered to withstand the thermal and mechanical stresses of high-revving performance builds.
The 6000 Series is designed for enthusiasts seeking improved durability and flow over factory components. Utilizing Ferrea's proprietary Super-Flo (S-Flo) design, these valves reduce drag and improve volumetric efficiency. Each valve is manufactured to exacting tolerances, featuring a 25-degree back-angle for optimized seating and flow characteristics within the intake port.
- Manufacturer Part Number: F6048
- Series: 6000 Series S-Flo
- Head Diameter: 33mm
- Stem Diameter: 5.47mm
- Face Angle: 25 Degree
- Quantity: Set of 8 Intake Valves
Engineered for high-performance Mitsubishi 4G63 and 4G63T powerplants, this set of eight Ferrea 6000 Series intake valves provides a significant upgrade in durability and airflow over stock components. These valves are designed to withstand the extreme cylinder pressures and high-RPM conditions found in turbocharged racing and street applications.
Featuring Ferrea's S-Flo (Super Flow) design, these valves improve intake port efficiency by reducing turbulence and optimizing the flow path. Each valve is manufactured from premium heat-resistant alloys and precision-machined to ensure a perfect seat and consistent stem-to-guide clearances. This stock-size 34mm replacement is ideal for cylinder head refreshes where OEM reliability and aftermarket performance are required.
- Fits Mitsubishi 4G63 and 4G63T engines
- Head Diameter: 34.00mm (Stock)
- Stem Diameter: 6.57mm
- Overall Length: 109.60mm
- Back Angle: 20 Degrees
- S-Flo (Super Flow) design for increased airflow
- Series: 6000 Series Competition Plus
- Set of 8 Intake Valves
- Manufacturer Part Number: F6026
Optimized for Acura K20 engines, these Ferrea 5000 Series S-Flo intake valves are engineered to improve airflow and valvetrain reliability in high-performance applications. Featuring Ferrea's signature S-Flo (Super-Flow) design, these valves reduce drag and increase volumetric efficiency compared to standard replacements.
Each valve is manufactured to exacting tolerances, featuring a stock flat head design to maintain compression ratios while providing the thermal stability required for high-RPM operation. This complete set of eight valves is a direct-fit solution for K-series builders looking for the durability and precision of the 5000 Series line.
- Manufacturer Part Number: F5510
- Head Diameter: 35mm
- Stem Diameter: 5.47mm
- Overall Length: 109.3mm
- Stem Tip: 20 Degree
- Design: S-Flo with Stock Flat Head
- Quantity: Set of 8 valves
Fits Acura K20 engines.
Ferrea 5000 Series Hi-Performance valves are engineered for drivers seeking upgraded durability and airflow for their high-RPM cylinder heads. These exhaust valves feature Ferrea's "Flo" design with a 22-degree seat angle and a flat head, optimizing combustion chamber volume and flow characteristics. Precision-machined from high-tensile alloys, these valves replace worn or factory components to provide the reliability required for performance applications.
- Head Diameter: 30.00mm
- Stem Diameter: 5.45mm
- Overall Length: 109.15mm
- Seat Angle: 22 Degrees
- Head Type: Flo / Stock Flat Head
- Product Series: 5000 Series Hi-Performance
- Quantity: Set of 8 Valves
- Manufacturer Part Number: F5508
Can’t Find the Part You Need?
Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.
Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.
Explore Related Collections
- Choosing a selection results in a full page refresh.
- Opens in a new window.