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  3. THOMPSON 1690-X

THOMPSON 1690-X Intake Valve Set Hardened 218

fits model: Marine, 230. make: Dodge.

1690-x Thompson Dodge 218 230 Intake Valve Set Hardened Hd Usa Made Marine

( Brand: Thompson ), ( Manufacturer Part Number: 1690-X ), ( Type: Intake Valve ), ( Oe/oem Part Number: 1109911 ), ( Material: Steel ), ( Features: Usa Made ), ( Country/region Of Manufacture: United States )

Review THOMPSON Dodge 218 Intake Valve Set Hardened Hd Usa Made fits MARINE 230

The Thompson 1690-X intake valve set for Dodge 218 and 230 engines is a high-performance upgrade designed for marine applications. These intake valves are manufactured using hardened material for superior strength and durability, making them an excellent choice for the demanding conditions of boating and water sports.

Each intake valve in this set features a unique shape and size, specifically engineered for Dodge 218 and 230 engines. The valves are designed to maximize airflow into the combustion chamber, which can lead to increased horsepower and torque. The hardened material also provides improved resistance to corrosion and erosion caused by saltwater and other harsh marine environments.

The Thompson 1690-X intake valve set is easy to install and comes with all necessary hardware for a straightforward installation process. The valves are precision machined to ensure a perfect fit, minimizing the need for extensive engine modification. The set also includes new valve guides and seats to ensure a proper seal and optimal engine performance.

The use of hardened material in these intake valves also provides improved durability compared to OEM valves. The hardened material is less likely to wear down or break under heavy usage, reducing the need for frequent valve replacements. This not only saves time and money but also ensures that your engine runs smoothly and efficiently for longer periods.

In summary, the Thompson 1690-X intake valve set for Dodge 218 and 230 engines is a high-quality, hardened marine upgrade designed to provide superior strength, durability, and performance for your marine application. With improved airflow, resistance to corrosion and erosion, and easy installation, this set is an excellent investment for any boat owner looking to enhance their engine's performance.

The Thompson 1690-X Dodge 218/230 intake valve set is a hardened marine-grade component designed to enhance the performance of your engine. Here are some pros and cons of buying this intake valve set:

Pros:

1. Durability: The hardened marine-grade material used in constructing these intake valves ensures they can withstand the harsh marine environment, making them ideal for boats and other watercraft.

2. Improved Performance: Upgrading to high-performance intake valves can lead to increased power, better fuel efficiency, and improved engine response.

3. Enhanced Longevity: The hardened material of these intake valves can reduce the likelihood of valve failure, extending the lifespan of the engine.

4. Better Suitability for High-Performance Applications: These intake valves are well-suited for engines that require high performance, such as racing or high-power applications.

5. Better Sealing: The harder material of these intake valves can result in better sealing, reducing the possibility of air leaks and improving combustion efficiency.

Cons:

1. Cost: High-performance intake valves like the Thompson 1690-X set can be more expensive than stock intake valves.

2. Installation Complexity: Installing aftermarket intake valves can be a challenging process that requires expertise and specialized tools.

3. Risk of Damage: The hardened material used in these intake valves can be brittle, increasing the risk of damage during installation or operation if not handled carefully.

4. Potential Compatibility Issues: Ensure that the Thompson 1690-X intake valve set is compatible with your specific engine model and make before purchasing.

Conclusion:

The Thompson 1690-X Dodge 218/230 intake valve set offers several advantages, including improved performance, durability, and longevity. However, it comes with a higher cost, installation complexity, and potential compatibility issues. If you are looking for high-performance intake valves for your marine engine and are willing to invest in the installation process, this set could be an excellent choice. On the other hand, if you are on a budget or prefer a more straightforward installation, you might consider sticking with stock intake valves.

Recommendation:

If you are serious about improving the performance and longevity of your marine engine, the Thompson 1690-X Dodge 218/230 intake valve set could be an excellent investment. However, be sure to carefully consider the potential costs, complexity, and compatibility issues before making your purchase. Consult a marine engine expert or professional mechanic to help you determine whether this intake valve set is the right choice for your specific application.

Details:

Quantity 6 six intake valves with hardened seat 1942-1959 Dodge Cl 218 219 220 230 1942-1960 Truck cylinder engines Plymouth all Chrysler Marine M6 M46 Intake face.

part #: 1690 prices

  • $25.00-$45.00

specifications voomvalve:

  • for models: Marine, 230
  • for makes: Dodge
  • brand: Thompson
  • mpn: 1690-x
  • type: Intake Valve
  • oe/oem part number: 1109911
  • material: Steel
  • features: Usa Made
  • country/region of manufacture: United States

seller voomvalve:

  • rating: 99.7%
  • city: Vinton, Virginia
  • # reviews: 16108

returns voomvalve:

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

offer voomvalve:

  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: June 15, 2025
  • options: Ship-to-home

shipping voomvalve:

  • transit: 5-9 Days
  • service: Expedited
  • class: Expedited
  • cost: $0.00
  • type: Fixed

general voomvalve:

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

payments voomvalve:

  • wallet: Google-pay
  • credit card: Diners-club
  • other
for models: marine, 230, for makes: dodge, type: intake valve, oe/oem part number: 1109911, features: usa made, country/region of manufacture: united states,
category: auto parts > engines engine parts > valvetrain components > valves, material: steel, sku: 7313986893718622,

Thompson 1690 Is Similar To:

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3 offers $25.00–$45.00 USD
  • Offer #1: $45.00 price + $9.35 shipping estimate = $54.35* total. Thanks 6 per box. Thompson Products V- new in the box, made in the USA back in the day.+$9.35 shipping
  • Offer #2: $25.00 price + $16.45 shipping estimate = $41.45* total. Parts are new never used and in excellent condition. These fit the following; 1942-1958 Dodge and Plymouth with 6 cylinder engine.+$16.45 shipping
  • Offer #3: $45.00 price + $17.41 shipping estimate = $62.41* total. not be in good condition. A RARE Collectible piece of Pre-WWII Aviation History! These were made for thePratt & Whitney R- Hornet engine.+$17.41 shipping

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