TOMEI TA303A-SB01A Racing Intake Exhaust Valve Set EJ20
fits model: Ej25, Wrx, Sti. make: Subaru. year: 2004–2014.
( Brand: Tomei ), ( Manufacturer Part Number: TA303A-SB01A ), ( Intake Valve Stem Diameter: 5.96mm ), ( Type: Intake Exhaust Valve Set ), ( Exhaust Valve Head Diameter: 33mm ), ( Manufacturer Warranty: 1 Year ), ( Intake Valve Head Diameter: 37mm ), ( Exhaust Valve Length: 104.7mm ), ( Intake Valve Length: 104.35mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Performance Part: Yes )
Review TOMEI Racing Intake And Exhaust Valve Set For Subaru fits EJ25 WRX STI 2004–2014
The Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set is an essential upgrade for Subaru WRX STI owners with engines ranging from EJ20 to EJ25, produced between 2004 and 2014. This intake exhaust valve set, developed by the renowned Japanese performance engineering company Tomei, is designed to deliver improved engine response, increased power, and enhanced driving satisfaction.
The Ta303A-SB01A set consists of high-performance intake and exhaust valves. The intake valves, crafted from durable, heat-resistant sodium-filled material, offer increased intake efficiency and reduced valve temperature. The sodium fillings in the valves absorb the heat generated during combustion, allowing the valves to remain cooler, thereby reducing the risk of valve seat recession. This results in efficient intake flow, which ultimately leads to improved engine response and power.
On the other hand, the exhaust valves in this set are designed to provide optimal exhaust flow. The valves are made of high-quality stainless steel, ensuring durability and resistance to corrosion. The larger exhaust valve diameter allows for better exhaust gas flow, reducing backpressure and enabling the engine to breathe more freely. This enhancement leads to increased power output and improved engine performance.
The Ta303A-SB01A Racing Intake Exhaust Valve Set is not just about power gains; it also focuses on refining the driving experience. By reducing valve train friction and improving engine efficiency, this upgrade contributes to a smoother and more responsive driving experience. Additionally, the set comes with springs that match the factory specifications to ensure proper valve clearance and optimal engine performance.
This Tomei Racing Intake Exhaust Valve Set is a direct replacement for the factory components, making installation straightforward. It comes with detailed installation instructions, ensuring that even novice mechanics can complete the installation with ease. The set also includes new valve guides and seats, ensuring a proper seal and preventing potential leaks.
In summary, the Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set is an excellent choice for Subaru WRX STI owners seeking improved engine response, increased power, and a refined driving experience. With its durable, high-performance valves and straightforward installation process, this upgrade delivers impressive results while maintaining the reliability and longevity of your Subaru engine.
Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set for Subaru WRX STI (04-14): Pros, Cons, and Conclusion
The Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set is a popular upgrade for Subaru WRX STI owners with engines between the EJ20 and EJ25 series, produced between 2004 and 2014. This component aims to enhance the engine's performance by improving the flow of air and exhaust gases. In this analysis, we will discuss the primary advantages and disadvantages of investing in this product.
Pros:1. Enhanced engine performance: The Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set allows for better airflow into the engine and improved exhaust gas release, which can lead to increased power output and torque.
2. Improved throttle response: By optimizing the intake and exhaust flow, this upgrade can result in quicker throttle response and a more responsive driving experience.
3. Durability: Tomei is a well-known and reputable manufacturer in the automotive industry. Their products are known for their durability and high-quality materials, making this intake exhaust valve set a reliable investment.
Cons:1. Cost: This performance upgrade can be quite expensive, and the cost might be a significant deterrent for some potential buyers.
2. Installation complexity: The installation process of the Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set can be quite complex, requiring a fair amount of mechanical knowledge and skill. It is recommended that the installation be performed by a professional to ensure proper fitment and functionality.
3. Potential noise increase: Some users have reported an increase in engine noise after installing this upgrade. This might be a concern for those looking for a quieter driving experience.
Conclusion:The Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set is a popular choice for Subaru WRX STI owners seeking to enhance their engine's performance. With advantages such as improved power output, quicker throttle response, and durability, it is a worthwhile investment for those who are willing to pay the cost and tackle the installation process. However, potential buyers should consider the complexity of the installation and the potential increase in engine noise before making their purchase.
Recommendation:If you are a Subaru WRX STI owner with a budget for performance upgrades and a willingness to invest time and effort into the installation process, the Tomei Ta303A-SB01A Racing Intake Exhaust Valve Set is a strong contender for your consideration. It offers significant performance benefits and is backed by the reputation of a trusted automotive manufacturer. However, it is essential to weigh the pros and cons carefully and ensure that the upgrade aligns with your driving preferences and priorities.
Details:
The intake valves are made using SUH35 HEAT RESISTANT STEEL which is more commonly used to make exhaust. Tomei Racing Intake Exhaust Valve Set,: Features: The oversized head diameter is designed specifically for each application, significantly improving the flow rate. The wasted stem allows a greater volume of air/gases to enter and exit the combustion chamber as valve extends. Untitled Document.
Not available on some model's. In order to withstand temperatures of up around 10 the exhaust valves are made using a nickel based heat resistant alloy, INCONEL 751. These are then coated with a special formula that further improves the valves' resistance to heat, wear and corrosion. 100% Genuine Tomei products.
part #: ta303asb01a prices
- $190.00-$480.00
specifications voomvalve:
- for models: Ej25, Wrx, Sti
- for makes: Subaru
- for years: 2004-2014
- brand: Tomei
- mpn: Ta303a-sb01a
- intake valve stem diameter: 5.96mm
- type: Intake Exhaust Valve Set
- exhaust valve head diameter: 33mm
- manufacturer warranty: 1 Year
- intake valve head diameter: 37mm
- exhaust valve length: 104.7mm
- intake valve length: 104.35mm
- california prop 65 warning: California Prop 65 Warning
- performance part: Yes
payments voomvalve:
- wallet: Google-pay
- other
- credit card: Discover
general voomvalve:
- condition: New
- Engines Engine Parts > Valvetrain Components > Valves
offer voomvalve:
- quantity: 1
- options: Ship-to-home
- sold: 0
- availability: In Stock
- started: October 3, 2025
seller voomvalve:
- # reviews: 38476
- city: Los Angeles, California
- rating: 99.0%
shipping voomvalve:
- type: Fixed
- service: Standard with Adult Signature required
- transit: 5-8 Days
- cost: $0.00
- class: Standard
returns voomvalve:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
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