fits model: 400, 440. make: Mopar.

( Manufacturer Part Number: E6263M ), ( Part Type: Arm Block )
The E6263M Wedge 413/426 Rocker Arm Set is a high-quality replacement part designed specifically for Mopar big block engines, including the 383, 400, and 440 models. This set is an essential upgrade for any vehicle owner looking to maintain or improve the performance of their classic or modern Mopar engine.
The E6263M Rocker Arm Set features wedge-shaped rocker arms with a 1.650-inch lift radius, ensuring optimal valve lift and engine performance. The arms are made of durable forged steel, providing strength and resistance to wear and tear, even under high-stress operating conditions. The set includes four rocker arms, each with a precision-machined fulcrum, ensuring smooth and consistent valve operation.
The E6263M Rocker Arm Set also features replaceable ball-and-socket joints, which offer superior articulation and minimize wear on the camshaft lobe. The joints are made of high-quality bronze, providing excellent corrosion resistance and ensuring long-lasting performance. The set also includes new pushrods, ensuring a proper fit and seal with the rocker arms.
Installing the E6263M Rocker Arm Set is a straightforward process, requiring only basic mechanical skills and common tools. The set includes all necessary hardware, including new roller tappets, lifter cups, and retainers, making it easy to replace worn-out components while installing the new rocker arms.
Overall, the E6263M Wedge 413/426 Rocker Arm Set is a high-quality replacement part that provides excellent performance and durability for Mopar big block engines. Whether you're restoring a classic muscle car or upgrading the performance of your modern Mopar, this set is an essential upgrade that will help ensure reliable and high-performance operation for years to come.
Pros of buying E6263M Wedge 413/426 Rocker Arms Set for Mopar Big Block 383/400/440:1. High-quality materials: The rocker arms are made of forged steel, ensuring durability and strength.
2. Proper fitment: The set is specifically designed for Mopar big block engines, ensuring a perfect fit and proper function.
3. Improved performance: The wedge design of the rocker arms allows for better valve control, which can lead to improved engine performance.
4. Easy installation: The set comes with hardware and instructions, making installation relatively straightforward for most DIY enthusiasts.
Cons of buying E6263M Wedge 413/426 Rocker Arms Set for Mopar Big Block 383/400/440:1. Price: Compared to some aftermarket options, this set may be more expensive.
2. Limited customization: Since this is an OEM replacement set, there are no options for customizing the look or function of the rocker arms.
3. May require adjustment: Depending on the condition of your engine and the previous rocker arms, you may need to adjust the new set to ensure proper valve clearance.
Conclusion: If you are looking for a high-quality, reliable rocker arm set for your Mopar big block engine, the E6263M Wedge 413/426 Rocker Arms Set is a solid choice. The forged steel construction ensures durability, and the wedge design can help improve engine performance. However, be prepared to pay a premium for this OEM replacement set, and expect to do some adjustment work during installation.
Recommendation: If you are looking for a more affordable option, consider researching aftermarket rocker arm sets that may offer similar performance at a lower price point. However, keep in mind that some aftermarket sets may not fit as perfectly or offer the same level of durability as OEM replacement sets like the E6263M. Ultimately, the decision to purchase this set or another option depends on your specific needs and budget.
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