MOPAR PERFORMANCE P5249864 Nos Valve Springs Big Block

( Brand: Mopar Performance ), ( Manufacturer Part Number: P5249864 ), ( Part Type: Valve Spring Block ), ( Country/region Of Manufacture: United States )

Review MOPAR PERFORMANCE Nos Valve Springs Big Block Long Small Blocks Free Ship fits HEMI 2016

Introducing the Mopar Performance P5249864 Valve Springs Kit for Hemi and Big Block engines. This top-tier performance upgrade is a must-have for any enthusiast seeking to enhance the power and durability of their Chrysler, Dodge, or Plymouth muscle car or truck.

This kit includes sixteen (16) pieces of high-performance valve springs, meticulously engineered to provide superior control over the engine's combustion process. The valve springs are specifically designed for Hemi and Big Block engines, ensuring a perfect fit and seamless integration with your vehicle's existing components.

Made from premium materials, these valve springs are capable of handling increased engine RPMs and the added stress of high-performance modifications. They feature a robust, multi-leg design that ensures consistent valve control throughout the entire RPM range, allowing for improved combustion efficiency and maximum power output.

Each valve spring is precision-manufactured to stringent tolerances, ensuring a perfect fit and reliable performance. The springs are also designed to work in harmony with your engine's existing components, eliminating the need for costly and time-consuming engine modifications.

Installing these valve springs is a straightforward process, making it an ideal upgrade for both professional mechanics and dedicated DIY enthusiasts. The kit includes all necessary hardware, ensuring a hassle-free installation experience.

Investing in the Mopar Performance P5249864 Valve Springs Kit is a smart choice for those looking to maximize the power and potential of their Hemi or Big Block engine. These high-performance valve springs deliver unmatched durability, reliability, and power, making them a worthy addition to any muscle car or truck enthusiast's garage.

Mopar Performance P5249864 16 nos valve springs for Hemi and Big Block engines are aftermarket performance parts designed to provide improved performance and durability compared to original equipment (OE) valve springs. Here are some potential pros and cons of buying these valve springs:

1. Enhanced performance: These aftermarket valve springs are often designed to provide better valve control and allow for increased engine performance, particularly in high-rpm applications.

2. Improved durability: The Mopar Performance P5249864 valve springs are typically made from higher-quality materials and are designed to handle more stress than OE valve springs. This can lead to longer engine life and reduced valve train wear.

3. Better compatibility with performance modifications: If you have made or plan to make performance modifications to your engine, such as increasing the compression ratio or installing a high-performance camshaft, aftermarket valve springs may be necessary to ensure proper engine operation.

4. Customization: Aftermarket valve springs allow you to choose the specific spring rate and design that best suits your engine and driving style.

1. Cost: Aftermarket valve springs can be more expensive than OE springs, particularly for high-performance options.

2. Installation complexity: Installing aftermarket valve springs can be more complicated than installing OE springs, as they may require specialized tools and techniques.

3. Potential for engine damage: Installing the wrong valve springs or improperly installing them can lead to engine damage, such as bent valves or damaged pistons.

4. Potential for noise: Aftermarket valve springs may produce more noise than OE springs due to their increased performance and durability.

In conclusion, the decision to buy Mopar Performance P5249864 16 nos valve springs for your Hemi or Big Block engine ultimately depends on your specific needs and goals. If you're looking for improved performance, durability, or compatibility with performance modifications, aftermarket valve springs may be the best option. However, they come with a higher cost, installation complexity, and potential for engine damage and noise. It's important to carefully consider these factors and consult with a qualified mechanic or performance specialist before making a purchase.

If you're confident in your ability to install the springs correctly and understand the potential benefits and risks, and you're looking for high performance, then these aftermarket valve springs could be a good choice for you. However, if you're looking for a more budget-friendly option or are concerned about the potential for engine damage or noise, then OE valve springs may be a better choice. Ultimately, the decision is yours to make based on your specific circumstances and priorities.

Details:

These springs are chrome silicon. I had to do some looking find this part number, but was able locate it in a 2002 Mopar Performance catalog, yes, still one. I am sure your machinist would have access to the info needed. Installed height : 2.00 /2.02.

This is all the info I have on these springs. They are part #P5249864. FREE shipping via USPS ground advantage. They are single springs with a damper.

I don't have that book. He passed and this is part of the stock inventory I am selling. Here is a NOS set of valve springs for Mopar. These springs fit 426 Hemi, big blocks, and small block which have the long valves, like W7's.

part #: p5249864 prices

• $59.95-$650.00

specifications voomvalve:

• for models: Hemi
• for makes: Mopar
• for years: 2016
• brand: Mopar Performance
• mpn: P5249864
• part type: Valve Spring Block
• country/region of manufacture: United States

seller voomvalve:

• # reviews: 4520
• rating: 100.0%
• city: Sabillasville, Maryland

offer voomvalve:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: May 21, 2025
• sold: 0

general voomvalve:

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

payments voomvalve:

• other
• wallet: Apple-pay
• credit card: Diners-club

returns voomvalve:

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

shipping voomvalve:

• class: Standard
• type: Fixed
• transit: 3-8 Days
• cost: $0.00
• carrier: USPS
• service: USPS Ground Advantage

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