SEALED POWER R-848-2 Rocker Arms 326 347 389 421 V8

( Brand: Sealed Power ), ( Manufacturer Part Number: R-848-2 ), ( Part Type: Arm )

Review SEALED POWER R-848 Rocker Arms Pontiac 326 347 389 421 V8 fits 396 400 1957-67

Introducing the Power R-848-2 R-848 Rocker Arms, specifically designed for Pontiac vehicles equipped with 326, 347, 389, 396, 400, and 421 V8 engines manufactured between 1957 and 1967. These rocker arms are engineered to deliver superior performance and reliability, ensuring your classic Pontiac maintains its power and appeal.

The Power R-848-2 rocker arms are meticulously crafted using high-grade steel for exceptional strength and durability. Each arm is precision machined to ensure a perfect fit and function, providing a smooth and efficient operation of the valvetrain. The arms feature a robust design with large radius roller bearings that reduce friction and wear, resulting in longer service life and improved engine performance.

These rocker arms also come with a high-quality, heat-treated steel pushrod that ensures a secure and precise fit, while also providing excellent resistance to bending or deflection under heavy load conditions. The arms are designed with a generous 1.650-inch length to accommodate the specific clearances and geometry requirements of the Pontiac engines during the specified period.

The Power R-848-2 rocker arms are also accompanied by high-performance, nitrided shaft bushings that offer superior resistance to wear and provide a snug, secure fit for the shafts. The nitriding process enhances the surface hardness of the bushings, reducing the need for frequent replacement and ensuring a long-lasting, dependable solution for your classic Pontiac.

Furthermore, these rocker arms boast a sleek, polished finish that not only adds an elegant touch to your engine bay but also provides excellent resistance to corrosion and wear. The polished surface is also easier to clean and maintain, making these rocker arms a practical and stylish choice for your classic Pontiac.

In summary, the Power R-848-2 R-848 Rocker Arms are the ideal choice for Pontiac enthusiasts seeking to enhance the performance and reliability of their 1957-1967 326, 347, 389, 396, 400, and 421 V8 engines. These rocker arms offer superior strength, durability, and ease of maintenance, ensuring that your classic Pontiac continues to perform at its best while maintaining its timeless charm.

Pros and Cons of Buying Power R-848-2/R-848 Rocker Arms for 1957-67 Pontiac V8 Engines

The Power R-848-2 and R-848 rocker arms are popular upgrades for 1957-67 Pontiac V8 engines, providing improved performance and durability. In this analysis, we will explore the advantages and disadvantages of investing in these rocker arms.

1. Enhanced Performance: Power R-848-2 and R-848 rocker arms offer increased valve control, resulting in improved engine breathing and better power output.

2. Durability: These rocker arms are designed to withstand the rigors of high-performance driving and racing. They are made from high-quality materials and feature roller tips, reducing friction and wear.

3. Improved Engine Sound: The Power R-848-2 and R-848 rocker arms can provide a more satisfying engine sound due to their smooth operation and reduced valvetrain slop.

4. Suitability for High-RPM Applications: These rocker arms are suitable for engines revved up to high RPMs, making them a popular choice for drag racing and other high-performance applications.

1. Cost: Power R-848-2 and R-848 rocker arms can be more expensive compared to stock components. This may be a deterrent for some enthusiasts with budget constraints.

2. Installation Complexity: Installing these rocker arms may require additional time and effort due to their unique design and the need for specialized tools.

3. Compatibility: Ensure that the Power R-848-2 and R-848 rocker arms are compatible with your specific Pontiac V8 engine model and year. Incorrect installation can lead to engine damage.

The Power R-848-2 and R-848 rocker arms offer numerous benefits, including enhanced performance, durability, improved engine sound, and suitability for high-RPM applications. However, they come with a higher cost, increased installation complexity, and potential compatibility issues. Ultimately, the decision to purchase these rocker arms depends on your budget, technical expertise, and desired performance level. If you're focused on improving the power output, durability, and sound of your Pontiac V8 engine, investing in Power R-848-2 and R-848 rocker arms could be a worthwhile investment.

If you're considering purchasing Power R-848-2 or R-848 rocker arms for your 1957-67 Pontiac V8 engine, carefully weigh the pros and cons and consider the following recommendations:

1. Ensure compatibility: Verify that the rocker arms are compatible with your specific engine model and year before making a purchase.

2. Budget: Determine if the additional cost is justified based on your performance goals and budget.

3. Installation: Evaluate your technical expertise and availability of specialized tools for installation.

4. Alternatives: Consider alternative performance upgrades, such as camshafts, intake manifolds, or exhaust systems, if the cost or complexity of installing Power R-848-2/R-848 rocker arms is prohibitive.

Details:

Rubber parts, gaskets, hardware may need to be replaced and not usable. 326 347 389 396 400 421 V8. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates.

Or any other minor issue that does not make the part you are buying DEFECTIVE. None of which makes the part Defective. Shipping:: Free Shipping is for continental USA only. Sealed Power part number R-848-2.

Be sure the part you are buying is correct for your application. If any manufacturer warranty exists, it is between you and them. ONCE Purchased YOU OWN IT. They may have been in storage anywhere from 1-30 years.

part #: r8482 prices

• $35.99-$48.99

specifications rockeareng:

• for models: 396, 400
• for makes: Pontiac
• for years: 1957-67
• brand: Sealed Power
• mpn: R-848-2
• part type: Arm

shipping rockeareng:

• carrier: USPS
• type: Fixed
• service: USPS Priority Mail
• transit: 4-10 Days
• class: Expedited
• cost: $0.00

seller rockeareng:

• rating: 99.6%
• # reviews: 260827
• city: Houston, Texas

payments rockeareng:

• wallet: Paypal
• credit card: Discover
• other

returns rockeareng:

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

general rockeareng:

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

offer rockeareng:

• started: December 23, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1

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