31213645 DART Pro Block Raised Cam 600 800 400

Review DART New Pro Series Block 4.600 9.800 Dk .400 Raised Cam Pc for 600 800 400

The Dart BigM 2 Pro Block is a high-performance engine component designed for applications that demand increased power and efficiency. This block, specifically modeled as Dart 31213645, is part of the BigM 2 Pro series and is engineered to accommodate a raised camshaft configuration.

Measuring 4.600 inches in bore and 9.800 inches in stroke, this block is well-suited for large displacement engines. It is designed with a raised camshaft deck, allowing for the use of high-lift camshafts and enhancing the engine's breathing capabilities. The raised deck also ensures proper clearance for aftermarket valve train components, enabling the engine to perform at its optimal level.

To accommodate the increased power output, this block boasts a robust design. It features a 400-series nodular iron material, which provides excellent strength and rigidity. This material also offers superior resistance to thermal shock and fatigue, ensuring the longevity and durability of the engine.

Additionally, the block is precision-machined to ensure a flat and level surface for the installation of cylinder heads. This ensures proper sealing and combustion chamber geometry, which are crucial for optimal engine performance. The cylinder bores are also honed to provide a perfect finish, ensuring a smooth and efficient air and fuel flow.

In summary, the Dart BigM 2 Pro Block 4.600 9.800 DK 400 raised cam is a high-performance engine component designed for large displacement engines. Its robust design, featuring a 400-series nodular iron material and a raised camshaft deck, allows for the use of high-lift camshafts and accommodates aftermarket valve train components. This block is precision-machined and honed to provide a perfect surface for cylinder head installation, ensuring optimal engine performance and longevity.

Pros and Cons of Buying Dart BigM 2 Pro Block 4.600 9.800 DK 400 Raised Cam

a. High Performance: This camshaft is designed for high performance, delivering impressive power gains and improved throttle response for your engine.

b. Durability: The Dart BigM 2 Pro Block 4.600 9.800 DK 400 Raised Cam is made from high-quality materials, ensuring long-lasting performance and reliability.

c. Camshaft Design: The raised cam design offers increased valve lift, which can lead to better engine breathing and increased power output.

d. Suitable for Various Applications: This camshaft is suitable for a wide range of applications, making it a versatile choice for different engine builds.

a. Cost: This camshaft is a premium product, and its price may be higher than some other options in the market.

b. Installation Complexity: Installing this camshaft may require professional expertise and specialized tools, which could add to the overall cost.

c. Power Increase: Depending on the specific engine configuration, the power increase from this camshaft may not be as significant as expected, or it could lead to unwanted side effects, such as increased engine noise or vibration.

The Dart BigM 2 Pro Block 4.600 9.800 DK 400 Raised Cam is a high-performance camshaft that offers impressive power gains and improved throttle response for compatible engines. However, it comes with a higher price tag and may require professional installation. Ultimately, the decision to purchase this camshaft depends on your engine build goals, budget, and expertise.

If you are looking for a high-performance camshaft for your engine build and have the budget and expertise to install it, the Dart BigM 2 Pro Block 4.600 9.800 DK 400 Raised Cam is a solid choice. However, if you are on a tighter budget or prefer a more affordable option, consider exploring other camshaft brands and models that may offer similar performance benefits at a lower cost.

Details:

Dart 31213645 BIGM2 pro series BB Chevy iron block. 9.800 deck/4.600 bore, standard cam.400 raised location. Dart bare block.

specifications engineblocksam:

• for models: 600, 800, 400
• brand: Dart
• mpn: 31213645
• type: Engine Block
• material: Cast Iron
• country/region of manufacture: United States
• vintage part: No
• performance part: Yes

returns engineblocksam:

• paid by: buyer
• time: 14 days
• policy: returns accepted

seller engineblocksam:

• rating: 98.9%
• # reviews: 15421
• city: east jordan, michigan

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

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offer engineblocksam:

• started: august 17, 2025
• availability: in stock
• sold #: 16
• in stock #: 5
• prices: $846.99–$847.99
• item condition:
  • New
  • Used
• options: ship-to-home

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