MANLEY PERFORMANCE PRODUCTS 42149-8 Plate 807298017310 7/16IN

( Brand: Manley Performance Products ), ( Manufacturer Part Number: 42149-8 ), ( Type: Guide Plates ), ( Performance Part: Yes ), ( UPC: 807298017310 )

Review MANLEY PERFORMANCE PRODUCTS 7/16in Bbc Guide Plate

The Manley Performance 42149-8 BBCP plate is a high-performance, 7/16-inch diameter, billet-machined, copper composite cooling plate designed for use in high-performance automotive applications. This plate is an upgrade from traditional aluminum plates and offers several advantages for enthusiasts seeking to improve the cooling efficiency and durability of their cooling systems.

The plate is billet-machined, meaning it is made from a single piece of material, ensuring uniform thickness and superior quality. The copper composite material used in the plate is a unique blend of copper and aluminum, which provides the thermal conductivity of copper and the mechanical strength of aluminum. Copper is an excellent thermal conductor, allowing it to efficiently transfer heat from the coolant to the ambient air. The addition of aluminum enhances the plate's structural integrity and resistance to warping or cracking, ensuring a long lifespan.

The Manley Performance 42149-8 BBCP plate is specifically designed for use in big-block Chevrolet engines, and it features a fin pitch of 1.5 inches, providing an optimal balance between cooling efficiency and airflow. The plate's high-density, laser-cut fins have a thickness of 0.065 inches and are designed to maximize the contact area between the coolant and the fins, increasing the plate's overall cooling capacity.

The plate's surface finish is critical for optimal cooling performance and durability. The Manley Performance 42149-8 BBCP plate features a precision-machined, flat, and smooth surface finish that ensures proper sealing with the gasket and minimizes turbulence, reducing drag and promoting efficient cooling. The plate also features a rolled edge, which adds strength and rigidity, preventing warping or deformation under the high-stress conditions encountered in high-performance applications.

In summary, the Manley Performance 42149-8 7/16-inch BBCP plate is a high-performance, billet-machined, copper composite cooling plate designed for use in big-block Chevrolet engines. Its superior thermal conductivity, mechanical strength, and fin design make it an ideal upgrade for enthusiasts seeking to improve the cooling efficiency and durability of their cooling systems. With its precision-machined surface finish, rolled edge, and high-density fins, this plate is a high-quality, reliable, and durable cooling solution for high-performance automotive applications.

The Manley Performance 42149-8 7/16in BBC (Bolt-Bearing Cap) plate is a popular aftermarket upgrade for automotive enthusiasts, especially those working on V8 engines. This part is known for its high-performance features, but like any other purchase, it comes with its pros and cons.

1. Enhanced Performance: The BBC plate is designed to improve the performance of your engine by reducing the rotational mass, allowing for quicker revs and improved throttle response.

2. Durability: Manley Performance plates are made from high-quality materials, such as forged steel, ensuring they can withstand the high loads and temperatures of a performance engine.

3. Improved Engine Appearance: The BBC plate can give your engine a more polished and high-performance look.

4. Reduced Engine Noise: The Manley Performance BBC plate can help reduce engine noise due to its improved design and material selection.

1. Cost: The Manley Performance BBC plate is a premium upgrade, which can be quite expensive compared to the stock replacement.

2. Installation Complexity: Installing the BBC plate may require some mechanical expertise and specialized tools, which could add to the overall cost and time investment.

3. Potential Performance Variations: While the BBC plate can offer performance improvements, individual results may vary depending on factors such as engine setup, tuning, and driving style.

The Manley Performance 42149-8 7/16in BBC plate is an excellent choice for those seeking improved performance, durability, and a more polished engine appearance for their V8 engine. However, it comes with a premium price tag and may require some mechanical expertise for installation. Ultimately, the decision to invest in this upgrade depends on your specific goals, budget, and technical capabilities.

If you are an automotive enthusiast looking to upgrade your V8 engine's performance, the Manley Performance 42149-8 7/16in BBC plate could be a great investment. Ensure that you have the necessary mechanical expertise or access to a professional for installation, and consider the additional costs when factoring in your budget.

Details:

Their product catalog includes valve train components, pistons, rings, connecting rods, and crank shafts. These Products are available for everything from late model V8s to sport compacts. Manufacturer: Manley Performance Products.

part #: 421498 prices

• $58.04-$72.99

specifications rockeareng:

• brand: Manley Performance Products
• mpn: 42149-8
• type: Guide Plates
• performance part: Yes
• upc: 807298017310

returns rockeareng:

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

seller rockeareng:

• # reviews: 106539
• rating: 99.6%
• city: San Leandro, California

shipping rockeareng:

• type: Fixed
• cost: $0.00
• class: Standard
• transit: 4-7 Days
• service: Standard

offer rockeareng:

• options: Ship-to-home
• started: August 21, 2025
• quantity: 5
• sold: 0
• availability: In Stock

payments rockeareng:

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

general rockeareng:

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

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