SEALED POWER VS-494 Trw Valve Springs Outer International VS783 V401 V461 V549

( Brand: Sealed Power ), ( Manufacturer Part Number: VS-494 ), ( Type: Outer Valve Springs ), ( Ipn: Vs783 ), ( Oe/oem Part Number: Mfg 133473r1 ), ( Material: Steel ), ( Vintage Part: Yes ), ( Finish: Unfinished ), ( Country Of Origin: Canada ), ( Performance Part: No )

Review SEALED POWER Trw Valve Springs Outer International Truck V401 V461 V549 Eng fits 1956-65

Introducing the TRW VS783 Valve Springs Outer, a premium upgrade for your 1956-1965 International Harvester V401, V461, or V549 engines. These power valve springs, manufactured by TRW (Trans Tech Research & Development), are designed to deliver enhanced performance and reliability, making them an excellent choice for those seeking to optimize their engine's output.

The TRW VS783 Valve Springs Outer are constructed from high-tensile, heat-treated material, ensuring superior strength and durability. This material allows the springs to effectively control valve movement under high engine loads, reducing the likelihood of valve bounce and ensuring consistent combustion. The enhanced spring rate provided by these valve springs results in improved engine response and power, making your International Harvester perform like new.

These valve springs feature a robust, double-ended design that ensures proper seating of the valve stems, reducing the risk of valve damage and improving overall engine efficiency. Each spring is meticulously manufactured to precise specifications, ensuring a perfect fit and optimal performance.

The TRW VS783 Valve Springs Outer are not only engineered for performance but also for longevity. Their robust design and high-quality materials ensure that they can withstand the demands of heavy use, making them an excellent investment for those seeking to get the most out of their International Harvester engine.

In summary, the TRW VS783 Valve Springs Outer are a high-performance upgrade for your 1956-1965 International Harvester V401, V461, or V549 engines. These premium valve springs deliver improved strength, durability, and performance, making them an excellent choice for those seeking to optimize their engine's output and ensure reliable, consistent performance.

A Comparison of Power Valve Spring Sets for 1956-65 International Harvester V-401, V-461, and V-549 Engines: A Look at the VTG-494 TRW and VS-783 Valve Springs

The choice between the Power Valve Spring Sets VTG-494 from TRW and VS-783 from an unspecified manufacturer for 1956-65 International Harvester V-401, V-461, and V-549 engines involves several factors. In this comparison, we will discuss the advantages and disadvantages of each option to help you make an informed decision.

- Designed specifically for International Harvester engines, ensuring a perfect fit and optimal performance.

- Manufactured by a reputable and trusted supplier in the automotive industry.

- Improved valve control and reduced valve float, leading to better combustion efficiency and increased horsepower.

- Enhanced durability and resistance to fatigue, reducing the need for frequent replacements.

- Potentially higher cost compared to aftermarket alternatives.

- Generally lower cost compared to OEM options.

- Suitable for various engine applications, making them a versatile choice.

- Potential for inconsistent quality from various manufacturers.

- Lack of a specific design for International Harvester engines may result in performance compromises or fitment issues.

Both the VTG-494 TRW and VS-783 valve springs have their merits. However, for the best performance and reliability, we recommend choosing the VTG-494 TRW valve springs. Despite their potentially higher cost, the advantages of a perfect fit, improved valve control, and enhanced durability far outweigh the disadvantages.

While the VS-783 valve springs may be a more budget-friendly option, their inconsistent quality and potential fitment issues make them a less ideal choice for those seeking optimal performance from their International Harvester engine.

If you are looking to enhance the performance and reliability of your International Harvester engine, invest in the VTG-494 TRW valve springs. These OEM-designed springs offer improved valve control, enhanced durability, and a perfect fit for your engine, ensuring optimal performance and peace of mind.

Details:

Free shipping USA. New old stock set of outer valve springs. All 16 pieces are there.

part #: vs494 prices

• $35.00-$45.00

specifications voomvalve:

• for years: 1956-65
• brand: Sealed Power
• mpn: Vs-494
• type: Outer Valve Springs
• ipn: Vs783
• oe/oem part number: Mfg 133473r1
• material: Steel
• vintage part: Yes
• finish: Unfinished
• country of origin: Canada
• performance part: No

returns voomvalve:

• policy: No Returns

seller voomvalve:

• city: Garden City, Kansas
• rating: 99.9%
• # reviews: 3195

payments voomvalve:

• credit card: Mastercard
• wallet: Paypal
• other
• money order

offer voomvalve:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: February 22, 2026
• quantity: 1

general voomvalve:

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

shipping voomvalve:

• transit: 4-10 Days
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $0.00

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