1. Car/Truck Engine Valves Deals
  2. sku: 13082795353225633
  3. PERMITE E340

PERMITE Valve Springs Bus

fits model: E340. make: Gmc. year: 1931-38–1934-46.

Permite 2 E340 1931-38 1934-46 New Valve Springs Gmc Truck Yellow Bus

( Brand: Permite ), ( Material: Steel ), ( Vintage Part: Yes ), ( Type: Valve Spring ), ( Ipn: 2 E340 1931-38 1934-46 ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: E-340 ), ( Finish: Metal ), ( Country Of Origin: United States ), ( Performance Part: No )

Review PERMITE New Valve Springs Gmc Truck Yellow Bus fits E340 1931-38–1934-46

Introducing the PERMITE E340 Valve Springs, specifically designed for engines with part numbers between 1931-38 and 1934-46, including those found in some GMC bus models. These valve springs are an essential upgrade for any engine looking for improved performance and reliability.

The PERMITE E340 Valve Springs are manufactured using high-quality materials, ensuring durability and consistent compression throughout the engine's operating range. They are made from chrome silicon steel, a material known for its strength and resistance to fatigue, making these springs well-suited for the demanding requirements of older GMC bus engines.

Each spring features a dual-compression design, which provides a more controlled valve motion and improved sealing against the valve guides. This results in reduced valve float, improved engine idle stability, and reduced valve train noise. Moreover, the dual-compression design helps to prevent valve bounce, leading to smoother engine operation and increased efficiency.

These PERMITE E340 Valve Springs come with a precise, controlled preload that ensures consistent valve clearance throughout engine operation. This not only helps to maintain optimal engine performance but also reduces the need for frequent adjustments and maintenance. The preload is set using a precision compression tool, ensuring an accurate installation and eliminating the need for guesswork or multiple attempts.

Installation of these valve springs is a straightforward process. They come with new retainers and locks to make the installation process hassle-free. The PERMITE E340 Valve Springs are also designed to be a direct replacement for the original equipment, so no modifications are required, making them a convenient and cost-effective upgrade option for GMC bus owners.

In conclusion, the PERMITE E340 Valve Springs offer a significant improvement in engine performance and reliability for GMC bus models with engines having part numbers between 1931-38 and 1934-46. With their durable design, precise preload, and easy installation, these valve springs are an excellent investment for any enthusiast looking to restore their vintage GMC bus to its former glory.

Pros and Cons of Buying Permatex E340 Valve Springs for GMC Buses (1931-1938, 1934-1946)

The Permatex E340 valve springs are a popular aftermarket option for GMC buses manufactured between 1931 and 1938 and 1934 to 1946. These springs offer several advantages and disadvantages, which are discussed below to help you make an informed decision.

Pros:

1. Enhanced Performance: Permatex E340 valve springs improve engine performance by providing better valve control, resulting in increased horsepower and torque.

2. Durability: These aftermarket springs are designed to last longer than OEM (Original Equipment Manufacturer) springs, reducing the need for frequent replacements.

3. Improved Engine Response: The Permatex E340 valve springs help the engine respond more quickly, providing smoother acceleration and better overall drivability.

4. High-Temperature Resistance: These springs are designed to withstand high temperatures, making them suitable for use in high-performance applications and hot environments.

5. Easy Installation: Permatex E340 valve springs can be installed relatively easily, with no need for engine disassembly in most cases.

Cons:

1. Cost: Aftermarket valve springs, including the Permatex E340, tend to be more expensive than OEM springs.

2. Potential Clearance Issues: In some cases, aftermarket valve springs may require adjustments to ensure clearance between the valves and other engine components.

3. Customization: If you prefer a stock appearance or are concerned about maintaining originality, aftermarket valve springs may not be the best choice.

4. Potential Need for Adjustments: In some cases, aftermarket valve springs may require adjustments to the engine timing or other components to ensure proper operation.

Conclusion:

The Permatex E340 valve springs offer several advantages, including enhanced performance, durability, improved engine response, and high-temperature resistance. However, they also come with some disadvantages, such as cost, potential clearance issues, customization concerns, and the need for adjustments.

If you prioritize performance and durability and are willing to invest in a higher-priced aftermarket option, the Permatex E340 valve springs may be a good choice for your GMC bus. However, if you prefer a stock appearance, are concerned about cost, or are uncomfortable with potential installation challenges, you may want to consider sticking with OEM valve springs. Ultimately, the decision depends on your specific needs, preferences, and budget.

Details:

Are you in charge of an estate that want to sell. Several applications. Buyer pays return shipping unless we sent a defective item or it was damaged during. This means there could be some discoloration, markings, scratches, or other defects.

Any questions. 2 New Permite E340 Valve Springs 1931-38 GMC Truck 1934-46 Yellow Bus. We combine shipping. See photos for applications.

Like what you see. Please look closely at the pictures for condition before buying. We buy collections and portions of.

specifications voomvalve:

  • for models: E340
  • for makes: Gmc
  • for years: 1931-38-1934-46
  • brand: Permite
  • material: Steel
  • vintage part: Yes
  • type: Valve Spring
  • ipn: 2 E340 1931-38 1934-46
  • manufacturer warranty: 1 Year
  • oe/oem part number: E-340
  • finish: Metal
  • country of origin: United States
  • performance part: No

seller voomvalve:

  • city: Andover, Minnesota
  • rating: 99.7%
  • # reviews: 5232

offer voomvalve:

  • quantity: 1
  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: April 7, 2026
  • options: Ship-to-home

general voomvalve:

  • condition: New other see details
  • Engines Engine Parts > Valvetrain Components > Valves

shipping voomvalve:

  • transit: 3-7 Days
  • class: Standard
  • type: Fixed
  • cost: $6.42
  • carrier: USPS
  • service: USPS Ground Advantage

returns voomvalve:

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

payments voomvalve:

  • wallet: Apple-pay
  • credit card: Discover
  • other
for models: e340, for makes: gmc, for years: 1931-38-1934-46, vintage part: yes, type: valve spring, manufacturer warranty: 1 year, oe/oem part number: e-340, finish: metal, country of origin: united states, performance part: no,
category: auto parts > engines engine parts > valvetrain components > valves, material: steel, sku: 13082795353225633,

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