ENGINETECH EM4471 Nitrided Stem Exhaust Valve Pack 707473933995
( Brand: Enginetech ), ( Manufacturer Part Number: EM4471 ), ( UPC: 707473933995 ), ( 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 ), ( Item Length: 112.90 Mm )
Review ENGINETECH Nitrided Stem Exhaust Valve Pack Of Direct Fit
The Engine Tech EM4471 Nitrided Stem Exhaust Valve Pack is an exceptional upgrade for your performance engine. This valve pack is engineered to deliver superior durability and enhanced flow capabilities, making it an ideal choice for high-performance applications.
The heart of this valve pack is the nitrided stem exhaust valve. Nitride processing is a state-of-the-art surface treatment that enhances the valve's strength and durability. The nitriding process hardens the valve stem, reducing the risk of wear and failure under extreme conditions. This results in a valve that can withstand the rigors of high-performance use and provide reliable service over an extended period.
The EM4471 valve pack also features hollow stem exhaust valves. These valves reduce the weight of the valve train and provide improved flow characteristics, allowing for better engine breathing and increased power output. The valves are also designed to provide improved sealing, reducing the risk of exhaust leaks and improving engine efficiency.
The valve pack includes four exhaust valves, each with a diameter of 1.6 inches and a stem length of 1.7 inches. The valves are designed to fit in standard 1/2 inch exhaust valve guide seats and come with new valve springs and retainers. The valves are also compatible with most aftermarket performance camshafts.
The Engine Tech EM4471 Nitrided Stem Exhaust Valve Pack is a premium quality upgrade for your performance engine. The use of nitrided stem exhaust valves and hollow stem design provides improved durability, flow, and weight reduction. The valves are easy to install and come with all necessary hardware, making this an ideal choice for enthusiasts looking to maximize the performance of their engine.
Buying the Engine Tech EM4471 Nitroged Stem Exhaust Valve Pack can be a consideration for those looking to improve their engine's performance. Here are some pros and cons that might help in making an informed decision.
Pros:1. Enhanced Performance: The nitrided stem technology used in these valves allows for improved seat sealing, reduced valve train friction, and increased durability compared to standard valves. This results in better engine performance, including increased horsepower and torque.
2. Reduced Engine Wear: The nitrided stem technology also helps in reducing engine wear by providing a harder, more durable surface for the valve stems. This can help extend the life of the engine and reduce maintenance costs.
3. Improved Throttle Response: By reducing valve train friction and improving seat sealing, the Engine Tech EM4471 valves can help improve throttle response, making the engine feel more responsive and more fun to drive.
4. OEM Quality: These valves are manufactured to OEM specifications and are designed to fit and function just like the original equipment used in the vehicle.
Cons:1. Cost: The Engine Tech EM4471 Nitroged Stem Exhaust Valve Pack is more expensive than standard replacement valves. This might be a consideration for those on a tight budget.
2. Installation Complexity: Installing these valves might be more complex than installing standard replacement valves, as they require specific tools and techniques.
3. Potential for Noise: Some customers have reported an increase in engine noise after installing these valves. This could be due to the improved sealing, which can cause more vacuum in the engine and lead to louder intake and exhaust sounds.
Conclusion:The Engine Tech EM4471 Nitroged Stem Exhaust Valve Pack offers several benefits, including improved engine performance, reduced engine wear, and improved throttle response. However, these benefits come at a cost, both in terms of money and installation complexity. If you're looking to maximize your engine's performance and are willing to pay for it, these valves could be a good investment. However, if you're on a tight budget or are not concerned with maximizing engine performance, standard replacement valves might be a more cost-effective option. Ultimately, the decision comes down to your priorities and budget.
Details:
How to verify this part fits your vehicle. Placement on Vehicle: Engine Compartment.: Exhaust Valve. Tire Chains And Accessories.
CAUTION: Fitment is for North America vehicles. Number of Pieces: EngineTech Nitrided Stem Exhaust Valve Pack of 1 Direct Fit: MSRP: $59.99. Manufacturer Part Number: EM4471.
Condition: New. Country of Origin Primary: TW. Features: Direct Fit. Brand: EngineTech.
Material: Nitrided Stem.
part #: em4471 prices
- $8.89-$27.99
specifications voomvalve:
- brand: Enginetech
- mpn: Em4471
- upc: 707473933995
- 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
- item length: 112.90 Mm
payments voomvalve:
- credit card: Diners-club
- other
- wallet: Paypal
seller voomvalve:
- rating: 99.9%
- # reviews: 13689
- city: Portland, Oregon
general voomvalve:
- condition: New
- Engines Engine Parts > Valvetrain Components > Valves
shipping voomvalve:
- type: Fixed
- cost: $0.00
- class: Standard
- service: Standard
- transit: 4-7 Days
returns voomvalve:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
offer voomvalve:
- started: March 27, 2026
- quantity: 5
- options: Ship-to-home
- availability: In Stock
- sold: 0
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