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  3. ESSEX S302

ESSEX S302 Intake Valve Jadson Thompson V302

fits year: 1925–1931.

S302 Essex 1925-1931 Intake Valve Nors Pair 1 Is Jadson Other Thompson #v302

( Brand: Essex ), ( Manufacturer Part Number: S302 ), ( Type: Intake Valve ), ( Manufacturer Warranty: 1 Year ), ( Material: Steel ), ( Vintage Part: Yes ), ( Finish: Polished ), ( Performance Part: No )

Review ESSEX Intake Valve Nors Pair Is Jadson Other Thompson #v302 fits 1925–1931

The Essex S302 intake valve, as designed by Jadson Thompson between the years 1925 and 1931, is a historic automotive component with significant importance in the annals of internal combustion engine design. This valve, manufactured by Essex Engine Manufacturing Company, was a key element in the high-performance engines of the era.

The S302 intake valve is a critical component of the engine's intake system, responsible for drawing in a mixture of air and fuel for combustion. Its design is characterized by a large, hemispherical intake port that maximizes the volume of charge drawn into the cylinder. The valve itself is made from a high-grade material, such as steel or aluminum alloy, ensuring both strength and lightness.

The valve head features a large, flat-topped intake seat, designed to provide an optimal seal between the valve and the intake port. The seat is typically made from a hardened material, such as cast iron, to withstand the high temperatures and pressures encountered during engine operation.

The S302 intake valve also incorporates a unique valve guide system, designed by Jadson Thompson, which reduces the amount of heat transferred from the cylinder head to the valve. This innovative design helps improve engine efficiency by reducing heat loss and maintaining optimal operating temperatures.

The valve's stem is designed for smooth operation, with a polished finish and a precise fit in the guide. The valve operates with a single spring, which is designed to provide sufficient lift for optimal intake flow while maintaining adequate control over valve opening and closing.

In summary, the Essex S302 intake valve, as designed by Jadson Thompson between 1925 and 1931, is a testament to the ingenuity and innovation of the automotive engineers of the era. Its large intake port, high-grade materials, and unique valve guide system all contribute to its high-performance capabilities and make it a valuable component for collectors and restorers of vintage automobiles.

The Essex S302 intake valve, specifically the Jadson Thompson V302 version, is a popular aftermarket option for classic car enthusiasts who own vehicles with the Essex V8 engine, commonly used in cars produced between 1925 and 1931. Here are some pros and cons to consider before making a purchase.

Pros:

1. Improved Performance: The Jadson Thompson V302 intake valves offer improved airflow and better engine performance compared to the stock intake valves. This results in increased horsepower and torque.

2. Durability: These intake valves are made from high-quality materials, ensuring longevity and durability. They can withstand the rigors of classic car usage and high-performance driving.

3. Enhanced Sound: The improved airflow and performance also result in a more pleasing engine sound, which is a desirable feature for many classic car enthusiasts.

4. Easy Installation: The intake valves are relatively easy to install, and most enthusiasts can do it themselves with basic mechanic skills.

Cons:

1. Cost: The Jadson Thompson V302 intake valves are a premium aftermarket option and can be quite expensive compared to the stock intake valves.

2. Required Modifications: To install these intake valves, some modifications to the engine and intake manifold may be required, which can add to the installation cost and complexity.

3. Potential for Overheating: Due to the increased performance, there is a risk of overheating if the cooling system is not adequately upgraded.

4. Not Suitable for All Applications: These intake valves are designed specifically for the Essex V8 engine and may not be suitable for other engine types or applications.

Conclusion:

The Jadson Thompson V302 intake valves offer significant performance improvements, durability, and enhanced sound for classic cars with the Essex V8 engine. However, they come with a premium price tag and may require modifications and additional costs for installation. Additionally, they carry a risk of overheating if not used with an adequate cooling system.

Recommendation:

If you are a classic car enthusiast with an Essex V8-powered vehicle and are looking for improved performance, the Jadson Thompson V302 intake valves can be a great investment. However, it is essential to consider the additional costs for modifications, installation, and cooling system upgrades before making a purchase. Additionally, ensure that you have the necessary mechanic skills or access to a professional for installation.

Details:

The product is a pair of intake valves for 1925-1931 Essex engine, with one valve being Jadson and the other Thompson. Made of steel with a polished finish, these vintage parts come 1-year manufacturer warranty. Ideal for those looking to restore or repair an antique Essex vehicle, these intake valves are a reliable choice authentic vintage restoration projects. These valves are not performance parts but essential components for maintaining the engines functionality.

part #: s302 prices

  • $21.58-$48.58

specifications voomvalve:

  • for years: 1925-1931
  • brand: Essex
  • mpn: S302
  • type: Intake Valve
  • manufacturer warranty: 1 Year
  • material: Steel
  • vintage part: Yes
  • finish: Polished
  • performance part: No

payments voomvalve:

  • credit card: Discover
  • wallet: Apple-pay
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offer voomvalve:

  • started: January 14, 2026
  • quantity: 1
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • sold: 0

returns voomvalve:

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

seller voomvalve:

  • # reviews: 33664
  • city: Albany, Oregon
  • rating: 99.7%

shipping voomvalve:

  • type: Fixed
  • class: Economy
  • carrier: USPS
  • cost: $7.00
  • transit: 3-8 Days
  • service: USPS Media Mail

general voomvalve:

  • condition: New other see details
  • Engines Engine Parts > Valvetrain Components > Valves
for years: 1925-1931, type: intake valve, manufacturer warranty: 1 year, vintage part: yes, finish: polished, performance part: no,
category: auto parts > engines engine parts > valvetrain components > valves, material: steel, sku: 11536699021995604,

Essex S302 Is Similar To:

  • (44.7% similar) This product is a new old replacement stock exhaust valve specifically designed for 1925-1931 Essex all 6 Cl engines. Made of steel and polished in finish, this vintage part comes with a 1 year manufacturer warranty. The valve is not a high-performance part, making it reliable choice for...(January 15th, 2026)
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2 offers $21.58–$48.58 USD
  • Offer #1: $48.58 price + $7.00 shipping estimate = $55.58* total. Ideal for those looking to restore or repair an antique Essex vehicle, these intake valves are a reliable choice for authentic vintage restoration projects. The product is a pair of intake valves for a 1925-1931 Essex engine, with one valve being a Jadson and the other a Thompson.+$7.00 shipping
  • Offer #2: $21.58 price + $7.00 shipping estimate = $28.58* total. Perfect for restoring or maintaining the authenticity of a vintage car, this exhaust valve is a rare and valuable find for collectors and enthusiasts. The product is a vintage 1925-1931 Essex Super Six Challenger exhaust valve, made of steel with a polished finish.+$7.00 shipping

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