SEALED POWER R-829 Big Block Rocker Arm V8S 383 413 426W

( Brand: Sealed Power ), ( Manufacturer Part Number: R-829 ), ( Part Type: Block Arm ), ( Country/region Of Manufacture: United States )

Review SEALED POWER Chrysler Big block V8s 383 413 Cu In Rocker Arm Assembly fits 400 440

The Chrysler R-829 Big-Block V8 is a legendary engine that has been a favorite among car enthusiasts for decades. This particular version of the Chrysler V8 engine comes with rocker arms suitable for 383, 400, 413, 426, and 440 cubic inch blocks.

The R-829 engine is renowned for its power and reliability. The V8 configuration allows for optimal balance and efficiency, while the Big-Block designation refers to the large size of the engine's cylinder bore. This creates a larger displacement and more power compared to smaller, inline engines.

The 383, 400, 413, 426, and 440 cubic inch blocks refer to the size of the engine's cylinder bore. The larger the bore, the more volume the engine has, which can lead to more power. The rocker arms are an essential component of the engine's valvetrain system. They convert the reciprocating motion of the pushrods into the linear motion required to open and close the engine's intake and exhaust valves.

These rocker arms are meticulously crafted to provide optimal performance and durability. They are made of high-strength materials, such as forged steel, and are designed to withstand the rigors of high-performance applications. The surface finish of the rocker arms is smooth and polished, which reduces friction and ensures quiet operation.

The R-829 Big-Block V8 engine and its accompanying rocker arms are a popular choice among hot rod builders, restorers, and custom car enthusiasts. Their unique combination of power, reliability, and classic design makes them a beloved fixture in the automotive world. Whether you're building a high-performance hot rod or restoring a classic car, the Chrysler R-829 Big-Block V8 engine and its rocker arms are sure to deliver the power and performance you're looking for.

Buying a Chrysler Big-Block V8 engine, specifically the PowerTech RB series with displacements ranging from 383 to 440 cubic inches (6.3 to 7.2 liter), can be an exciting endeavor for car enthusiasts and mechanic professionals. These engines are known for their robustness and power, making them popular choices for various applications, from hot rods to race cars. In this analysis, we will discuss the pros and cons of purchasing one of these engines.

1. Power and Torque: Chrysler Big-Block V8 engines offer impressive power and torque, making them ideal for high-performance applications. They can produce up to 440 horsepower and 500 lb-ft of torque, depending on the specific engine configuration.

2. Durability: These engines are known for their robustness and durability, making them suitable for heavy-duty use. They can handle high horsepower levels and extreme operating conditions, which is a significant advantage for those looking for a reliable powertrain.

3. Versatility: Chrysler Big-Block V8 engines can be used in various applications, from street rods to drag cars, and even marine applications. Their versatility makes them a popular choice among car enthusiasts and professionals.

4. Availability: These engines are widely available on the aftermarket, making them accessible to a broad range of buyers. They can be found in various conditions, from rebuildable cores to fully rebuilt and dyno-tested engines.

5. Cost-Effective: Compared to modern V8 engines, Chrysler Big-Block V8 engines are relatively affordable. This makes them an attractive option for those looking to build a high-performance vehicle on a budget.

1. Complexity: Chrysler Big-Block V8 engines are complex machines with numerous components that require maintenance and attention. They have a large number of moving parts, making them more prone to wear and failure.

2. Size and Weight: These engines are larger and heavier than modern V8 engines, which can make them challenging to install and integrate into a vehicle. This is a significant consideration for those with limited space or weight capacity.

3. Fuel Efficiency: Chrysler Big-Block V8 engines are not known for their fuel efficiency. They consume large amounts of fuel, which can be a disadvantage for those looking to build a fuel-efficient vehicle.

4. Emissions: These engines produce high levels of emissions, which can be a concern for those living in areas with stringent emission regulations.

5. Availability of Spare Parts: While these engines are widely available, spare parts can be challenging to find, especially for rare or obsolete components. This can make repairs more costly and time-consuming.

Chrysler Big-Block V8 engines offer impressive power, durability, and versatility, making them a popular choice among car enthusiasts and professionals. However, they also come with some disadvantages, such as complexity, size and weight, fuel efficiency, and availability of spare parts. Ultimately, the decision to purchase one of these engines depends on the specific requirements of the application, the buyer's budget, and their willingness to invest time and resources in maintaining the engine.

If you are looking for a high-performance engine with impressive power and torque, the Chrysler Big-Block V8 engine is an excellent choice. However, it is essential to consider the potential drawbacks, such as complexity, size and weight, fuel efficiency, and availability of spare parts, before making a purchase. Additionally, it is crucial to ensure that you have access to the necessary resources, including knowledge, tools, and spare parts, to maintain and repair the engine. If you have the necessary expertise and resources, a Chrysler Big-Block V8 engine can provide years of enjoyment and high-performance capabilities.

Details:

Component Type. Chrysler 400 cu in 6.6L. Sealed Power R-829 Rocker Arm. 440 cu in engines.

Rocker Arm left side. Compatibility Summary. This comes from listings where R 829 is noted as a direct fit for these engines. Engine Application.

part #: r829 prices

• $12.00-$32.55

specifications rockeareng:

• for models: 400, 440
• for makes: Chrysler
• brand: Sealed Power
• mpn: R-829
• part type: Block Arm
• country/region of manufacture: United States

offer rockeareng:

• best offers: True
• started: September 3, 2025
• availability: In Stock
• quantity: 3
• sold: 0
• options: Ship-to-home

seller rockeareng:

• # reviews: 348
• city: Piney Flats, Tennessee
• rating: 100.0%

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New

returns rockeareng:

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

shipping rockeareng:

• type: Calculated
• cost: $16.00
• transit: 3-9 Days
• service: USPS Priority Mail
• class: Expedited
• carrier: USPS

payments rockeareng:

• wallet: Paypal
• credit card: Mastercard
• other

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