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  3. TOMEI TA303A-MT01A

TOMEI TA303A-MT01A Racing Valve Set Engine Design 4G63

Ta303a-mt01a Tomei Racing Valve Set For 4g63 Engine Specific Design

( Brand: Tomei ), ( Manufacturer Part Number: TA303A-MT01A ), ( Type: Valve Set ), ( Fitment Type: Performance/custom ), ( Notes: Valve )

Review TOMEI Racing Valve Set For 4g63 Engine Specific Design

Introducing the Tomei Ta303A-MT01A Racing Valve Set, an essential upgrade for your 4G63 engine. This valve set is meticulously engineered by Tomei Engineering, a renowned leader in the automotive performance industry, to deliver superior engine performance and durability.

The Ta303A-MT01A Racing Valve Set is designed specifically for the 4G63 engine, ensuring a perfect fit and seamless integration. Each valve is crafted from high-quality, durable materials, including sodium-filled exhaust valves and ferro-alloy intake valves. These materials offer enhanced heat resistance and durability, allowing the valves to withstand the rigors of high-performance driving.

The intake valves of this set feature a diameter of 31.8mm and a stem diameter of 11.2mm, while the exhaust valves have a diameter of 29.8mm and a stem diameter of 11.2mm. The valve stems are treated with Tomei's proprietary chrome molybdenum coating, which reduces friction and wear, contributing to improved engine efficiency and longevity.

This valve set also includes Tomei's unique M-Spec valve springs, which provide increased spring pressure and improved valve control. These springs enable the engine to maintain optimal combustion chamber pressure, resulting in improved power output and torque.

Moreover, the Ta303A-MT01A Racing Valve Set comes with titanium retainers. These lightweight retainers reduce the overall weight of the valvetrain, contributing to quicker valve response and improved engine performance. The titanium material also offers superior strength and durability, ensuring the retainers can handle the demands of high-performance driving.

In summary, the Tomei Ta303A-MT01A Racing Valve Set is an exceptional upgrade for your 4G63 engine. This set offers improved engine performance through increased heat resistance, durability, reduced friction, and quicker valve response. With its perfect fit and high-quality components, this valve set is a must-have for any serious performance enthusiast.

The Tomei Ta303A-MT01A Racing Valve Set is designed for the 4G63 engine, which is commonly found in Mitsubishi Lancer Evolution and Subaru Impreza WRX/STI models. Here are some potential pros and cons of purchasing this valve set:

Pros:

1. Enhanced Performance: A valve set is an essential part of an engine's performance. Upgrading to a high-performance valve set like the Tomei Ta303A-MT01A can help increase power output and improve engine response.

2. Durability: Tomei is a well-known brand in the automotive performance industry, and their valve sets are known for their durability and reliability. The Ta303A-MT01A is designed to withstand the rigors of high-performance use.

3. Improved Air Flow: The Ta303A-MT01A valve set features a larger diameter intake valve, which can help improve air flow into the engine for better combustion and power output.

4. Adjustable Lift: The Ta303A-MT01A valve set offers adjustable valve lift, which can help fine-tune the engine's performance for different driving conditions and modifications.

Cons:

1. Cost: The Tomei Ta303A-MT01A Racing Valve Set is a premium product, and it comes with a premium price tag. This may not be an ideal option for those on a tight budget.

2. Installation Complexity: Installing a high-performance valve set like the Ta303A-MT01A can be a complex process, especially for those without experience in engine modifications. It may require specialized tools and knowledge.

3. Potential Engine Damage: Installing the wrong valve set or making incorrect adjustments to the valve lift can result in engine damage. It is crucial to ensure that the valve set is installed correctly and that any necessary adjustments are made carefully.

Conclusion:

The Tomei Ta303A-MT01A Racing Valve Set is a high-performance upgrade for the 4G63 engine that can help improve power output, durability, and air flow. However, it comes with a premium price tag and requires specialized knowledge and tools for installation. Additionally, there is a risk of engine damage if the valve set is not installed correctly or if incorrect valve lift adjustments are made.

Recommendation:

If you are looking to maximize the performance of your 4G63 engine and are willing to invest in a high-quality, durable valve set, then the Tomei Ta303A-MT01A Racing Valve Set is an excellent choice. However, if you are on a tight budget or lack the necessary knowledge and tools for installation, it may be wiser to consider other, more affordable options. It is also crucial to ensure that the valve set is installed correctly and that any necessary adjustments are made carefully to avoid potential engine damage.

Details:

INTAKE - SUH35 HEAT RESISTANT STEEL with SPECIALLY FORMULATED COATING. The oversized head diameter is designed specifically for each application, significantly improving the flow rate. EXHAUST - INCONEL 751 ALLOY In order to withstand temperatures of up around 1000?, the exhaust valves are made using a nickel based heat resistant alloy. For listings with free shipping, it only applies within the continental 48 states.

The intake valves are made using SUH35 HEAT RESISTANT STEEL which is more commonly used to make exhaust. These are then coated with a special formula that further improves the valves' resistance to heat, wear and corrosion. The wasted stem allows a greater volume of air/gases to enter and exit the combustion chamber as valve extends.

part #: ta303amt01a prices

  • $456.00-$480.00

specifications voomvalve:

  • brand: Tomei
  • mpn: Ta303a-mt01a
  • type: Valve Set
  • fitment type: Performance/custom
  • notes: Valve

shipping voomvalve:

  • class: Standard
  • transit: 4-7 Days
  • type: Fixed
  • cost: $0.00
  • service: Standard

offer voomvalve:

  • quantity: 10
  • sold: 0
  • started: July 17, 2025
  • options: Ship-to-home
  • availability: In Stock

payments voomvalve:

  • credit card: Mastercard
  • wallet: Paypal
  • other

general voomvalve:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Valves

returns voomvalve:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

seller voomvalve:

  • rating: 98.5%
  • city: Wrightstown, Wisconsin
  • # reviews: 65640
type: valve set, fitment type: performance/custom, notes: valve,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 8055112322033762,

Tomei TA303A-MT01A Is Similar To:

voomvalve logo
5 offers $456.00–$480.00 USD
  • Offer #1: $480.00 price + $0.00 shipping estimate = $480.00* total. These are then coated with a special formula that further improves the valves' resistance to heat, wear and corrosion. Engine: 4G63T.FREE SHIPPING
  • Offer #2: $456.00 price + $16.17 shipping estimate = $472.17* total. and exit the combustion chamber as the valve extends. Intake racing valve x 8.+$16.17 shipping
  • Offer #3: $480.00 price + $0.00 shipping estimate = $480.00* total. INTAKE - SUH35 HEAT RESISTANT STEEL with SPECIALLY FORMULATED COATING The oversized head diameter is designed specifically for each application, significantly improving the flow rate.FREE SHIPPING
  • Offer #4: $480.00 price + $0.00 shipping estimate = $480.00* total. The head, face, stem and lock groove designs have also been optimized to enhance sealing performance, efficiency and durability. Applications: 4G63.FREE SHIPPING
  • Offer #5: $455.88 price + $22.96 shipping estimate = $478.84* total.+$22.96 shipping

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