ENGINETECH EM4389 Nitrided Stem Exhaust Valve Pack 707473112109
( Brand: Enginetech ), ( Manufacturer Part Number: EM4389 ), ( UPC: 707473112109 ), ( Placement On Vehicle: Engine Compartment ), ( Type: Exhaust Valve ), ( Features: Direct Fit ), ( Caution: Fitment Is For North America Vehicles ), ( Country Of Origin: Primary ), ( Material: Nitrided Stem ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Oe/oem Part Number: 0101251731 ), ( Item Length: 3.461 In )
Review ENGINETECH Nitrided Stem Exhaust Valve Pack Of Direct Fit
The Engine Tech EM4389 Nitroverted Stem Exhaust Valve Pack is an exceptional upgrade for your performance engine. Designed with state-of-the-art nitriding technology, these valves offer unmatched durability and improved performance.
Each valve in this pack is meticulously crafted with a nitrided stem. Nitriding is a complex process that involves the infusion of nitrogen into the steel at high temperatures. This treatment results in a hard, wear-resistant surface that significantly increases the valve's lifespan and reduces the risk of valve seat recession.
The EM4389 valves feature a precise diameter and length, ensuring a perfect fit in your engine. Their stem design is specifically engineered to minimize friction, allowing for smoother operation and improved flow. This can lead to increased power and torque, as well as better fuel efficiency.
The valves come as a complete pack, including both intake and exhaust valves. Each valve is also supplied with a matching spring and retainers, ensuring a complete and hassle-free installation. The valves are suitable for use in gasoline engines and are available in various sizes to fit different applications.
In summary, the Engine Tech EM4389 Nitroverted Stem Exhaust Valve Pack is an investment in the longevity and performance of your engine. Its advanced nitriding technology, precise design, and complete installation kit make it an excellent choice for enthusiasts and professionals alike. Upgrading to these high-quality valves can result in improved power, torque, and fuel efficiency, making it an essential addition to any high-performance engine build.
Buying the Engine Tech EM4389 Nitroted Stem Exhaust Valve pack involves considering several pros and cons to determine if it's a worthwhile investment for your engine. Here are some potential advantages and disadvantages.
Pros:1. Enhanced Performance: Nitroided valve stems provide improved sealing, reducing the possibility of exhaust gases leaking past the valves. This can lead to better engine performance, increased power, and improved fuel efficiency.
2. Durability: Nitroided valve stems are known for their durability and resistance to wear and tear. They can withstand high temperatures and pressures, making them a suitable choice for high-performance engines.
3. Longer Valve Life: Nitroided valve stems can last longer than standard valve stems due to their enhanced durability and resistance to wear.
4. Improved Throttle Response: The improved sealing provided by nitroided valve stems can lead to better throttle response, allowing the engine to respond more quickly to acceleration demands.
5. Reduced Engine Noise: Nitroided valve stems can help reduce engine noise by improving the sealing between the valves and the cylinder head.
Cons:1. Cost: Nitroided valve stems are more expensive than standard valve stems. The Engine Tech EM4389 pack may be a more significant investment than other options.
2. Complex Installation: Installing nitroided valve stems can be a more complex process than installing standard valve stems. It may require specialized tools and knowledge, which could add to the installation cost.
3. Potential for Damage: Nitroided valve stems can be more brittle than standard valve stems, making them more susceptible to damage during installation or removal.
4. Limited Availability: Nitroided valve stems may not be readily available for all engine models and applications.
Conclusion:The Engine Tech EM4389 Nitroded Stem Exhaust Valve pack offers several advantages, including enhanced performance, durability, longer valve life, improved throttle response, and reduced engine noise. However, it also comes with some disadvantages, such as cost, complex installation, potential for damage, and limited availability. Ultimately, the decision to purchase this product depends on your engine's specific needs, your budget, and your willingness to invest in a more advanced valve stem technology. If you're looking for improved engine performance and durability and have the means to install and maintain the valves, the Engine Tech EM4389 Nitroded Stem Exhaust Valve pack could be a worthwhile investment. Otherwise, standard valve stems may be a more practical and cost-effective choice.
Details:
Exhaust Valve. CAUTION: Fitment is for North America vehicles. Manufacturer Part Number: EM4389. Condition: New.
Tire Chains And Accessories. Country of Origin Primary: US. How to verify this part fits your vehicle. EngineTech Nitrided Stem Exhaust Valve Pack of 1 Direct Fit: MSRP: $59.99.
Features: Direct Fit. Placement on Vehicle: Engine Compartment. Number of Pieces: 1.
Material: Nitrided Stem. Brand: EngineTech.
part #: em4389 prices
- $27.99-$47.99
specifications voomvalve:
- brand: Enginetech
- mpn: Em4389
- upc: 707473112109
- placement on vehicle: Engine Compartment
- type: Exhaust Valve
- features: Direct Fit
- caution: Fitment Is For North America Vehicles
- country of origin: Primary
- material: Nitrided Stem
- fitment type: Direct Replacement
- modified item: No
- oe/oem part number: 0101251731
- item length: 3.461 In
seller voomvalve:
- # reviews: 13898
- rating: 99.9%
- city: Portland, Oregon
returns voomvalve:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
offer voomvalve:
- quantity: 5
- started: April 25, 2026
- availability: In Stock
- sold: 0
- options: Ship-to-home
general voomvalve:
- Engines Engine Parts > Valvetrain Components > Valves
- condition: New
shipping voomvalve:
- cost: $0.00
- transit: 4-7 Days
- service: Standard
- class: Standard
- type: Fixed
payments voomvalve:
- credit card: Visa
- other
- wallet: Apple-pay
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