DART 42521000 Block Intake Manifold 012415002654

( Brand: Dart ), ( Part Type: Intake Block Manifold ), ( Manufacturer Part Number: 42521000 ), ( UPC: 012415002654 )

Review DART Small Block Chevy Intake Manifold

Dart Aluminum 42521000 Block Chevy Intake Manifold

The Dart Aluminum 42521000 Block Chevy Intake Manifold is a high-performance aftermarket intake solution designed specifically for the Chevrolet small-block engine. This intake manifold is engineered to provide improved airflow, enhanced power output, and superior cooling capabilities.

Constructed primarily from lightweight yet robust aluminum alloy, this intake manifold reduces weight compared to its cast-iron counterparts, contributing to a more responsive engine. Its compact design fits snugly onto Chevy small-block engines with 2-bolt or 4-bolt main stud configurations.

One of the standout features of this intake manifold is its unique runners and ports. The 220cc-per-quarter-inch runner volume design enables a more efficient fuel delivery and airflow, allowing for a broader powerband and increased engine response. The 1/2"-12 threaded ports accommodate various fuel injection systems, making it compatible with various fuel systems, including carburetors, throttle bodies, or electronic fuel injection systems.

The Dart Aluminum 42521000 Block Chevy Intake Manifold also boasts an integrated oil pump drive system with a 4-bolt design, providing better oil pump support and eliminating the need for a separate oil pump drive plate. This design also allows for a more compact and efficient engine bay layout.

Additionally, the intake manifold includes a fully-welded, integrated gasket surface, ensuring a perfect seal and minimizing the chances of leaks. The intake manifold also comes with a machined boss for a coolant temperature sensor, enabling precise engine temperature monitoring.

In summary, the Dart Aluminum 42521000 Block Chevy Intake Manifold is an excellent choice for Chevrolet small-block engine enthusiasts looking to enhance their engine performance, reduce weight, and improve cooling capabilities. Its durable, lightweight design, efficient runner volume, and compatibility with various fuel systems make it a versatile and popular choice among engine builders and racers.

A Detailed Analysis of the Dart 42521000 Block Chevy Intake Manifold: Pros and Cons

The Dart 42521000 Block Chevy Intake Manifold is a popular aftermarket intake solution for Chevy V8 engines. This manifold is known for its durability, power gains, and unique design. In this analysis, we will discuss the pros and cons of purchasing this intake manifold.

1. Enhanced Airflow: The Dart intake manifold offers improved airflow compared to the stock intake manifold. The design includes a larger plenum and longer runners, which allows for more air to enter the engine, leading to increased horsepower and torque.

2. Durability: This intake manifold is cast from aluminum, making it robust and resilient to the harsh conditions of high-performance applications. The design also includes thicker runners and a stronger gasket surface, ensuring longevity.

3. Better Fuel Distribution: The Dart intake manifold features a multi-bolt design, which ensures consistent fuel distribution to all cylinders. This leads to more uniform engine performance and improved power delivery.

4. Compatibility: This intake manifold is compatible with a wide range of Chevy V8 engines, including small-block and big-block engines. This makes it a versatile choice for various applications.

5. Easy Installation: The Dart intake manifold is designed to be a bolt-on replacement for the stock intake manifold. This simplifies the installation process and reduces the time and effort required.

1. Cost: The Dart 42521000 Block Chevy Intake Manifold is more expensive than the stock intake manifold. The higher cost may be a deterrent for some buyers, especially those on a tight budget.

2. Requires Additional Parts: To use this intake manifold, you may need to purchase additional components, such as fuel injectors and throttle bodies. These additional costs can add up, increasing the overall cost of the project.

3. Potential Clearance Issues: Depending on the specific engine application, there may be clearance issues with the Dart intake manifold. This can make installation more challenging and may require modifications to the engine compartment.

The Dart 42521000 Block Chevy Intake Manifold is a high-performance intake solution that offers numerous benefits, including enhanced airflow, durability, better fuel distribution, and compatibility. However, it also comes with some drawbacks, such as a higher cost, the need for additional parts, and potential clearance issues.

Based on the pros and cons discussed above, it is recommended that this intake manifold is a suitable choice for enthusiasts who prioritize power gains, durability, and compatibility. It is essential to consider the additional costs and potential installation challenges before making a decision. If you are looking for a more cost-effective solution or have clearance concerns, alternative intake manifolds may be worth exploring.

Details:

American Express.

part #: 42521000 prices

• $249.99-$613.12

specifications inputmanifolds:

• for makes: Chevy
• brand: Dart
• part type: Intake Block Manifold
• manufacturer part number: 42521000
• upc: 012415002654

general inputmanifolds:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

shipping inputmanifolds:

• service: Standard
• type: Fixed
• class: Standard
• cost: $0.00
• transit: 33-49 Days

payments inputmanifolds:

• other
• credit card: Mastercard
• wallet: Paypal

returns inputmanifolds:

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

seller inputmanifolds:

• city: , Ohio
• # reviews: 617352
• rating: 99.2%

offer inputmanifolds:

• options: Ship-to-home
• started: February 21, 2026
• availability: In Stock
• sold: 0
• quantity: 10

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