31213454 DART Big Iron Block Chevy

Review DART Big Iron Block Chevy Blocks for CHEVY

Dart Big Iron Block Chevy Engine Block (Part Number: 31213454) is a high-performance aftermarket engine block designed for Chevrolet applications. This block is constructed from 4130 chrome-molybdenum steel, providing exceptional strength and durability, making it an ideal choice for high-horsepower builds.

The Dart Big Iron Block features a unique design with a raised deck height of 0.625 inches, which provides increased clearance for larger, high-compression pistons. This block also features a 4-bolt main cap design, which enhances the block's rigidity and reduces cylinder distortion under high load conditions.

The Big Iron Block is also equipped with 4-bolt main caps, which are larger in size compared to standard Chevy blocks, providing increased clamping force and improved overall strength. The block also features a large 4-bolt mains bore, which reduces stress and increases the lifetime of the block.

The Dart Big Iron Block Chevy Engine Block is also designed with a deep skirt, which provides a larger surface area for the main caps to clamp onto, further increasing the block's overall strength. The block also features a large bore size of 4.125 inches, which is perfect for high-performance applications.

The Big Iron Block is also compatible with a wide range of cylinder heads, including popular aftermarket heads such as the Brodix, Edelbrock, and Comp Cams. The block also features a flanged oil pan rail, which allows for easy installation of an aftermarket oil pan.

In summary, the Dart Big Iron Block Chevy Engine Block (Part Number: 31213454) is a high-performance aftermarket engine block designed for Chevrolet applications. Its construction from 4130 chrome-molybdenum steel, raised deck height, 4-bolt main cap design, large bore size, and deep skirt make it an ideal choice for high-horsepower builds. Its compatibility with a wide range of cylinder heads and flanged oil pan rail also make it a versatile option for any high-performance build.

1. High-quality material: Dart Big Iron Block Chevy blocks are made from forged, high-strength 4130 chromoly steel, ensuring durability and reliability.

2. Increased power: The blocks are designed to handle high horsepower and torque, making them suitable for performance applications.

3. Compatibility: Dart Big Iron Block Chevy blocks are compatible with a wide range of engines and engine sizes, allowing for versatility in engine builds.

4. Customization options: Dart offers a variety of customization options for the blocks, including bore sizes, deck heights, and cylinder configurations, allowing for a tailored fit to specific engine needs.

1. Cost: Dart Big Iron Block Chevy blocks can be more expensive than standard aftermarket blocks, which may be a deterrent for some budget-conscious builders.

2. Availability: Due to their popularity and high demand, Dart Big Iron Block Chevy blocks may be harder to find in stock, leading to longer wait times for delivery.

3. Complexity: The customization options available for Dart Big Iron Block Chevy blocks can be overwhelming for some builders, especially those who are new to engine building.

Dart Big Iron Block Chevy blocks offer several advantages for performance engine builders, including high-quality materials, increased power capabilities, and compatibility with a wide range of engines. However, the cost and availability of these blocks can be a drawback, as well as the complexity of the customization options. Ultimately, the decision to purchase Dart Big Iron Block Chevy blocks should be based on the specific needs and budget of the builder.

If you are looking for a high-performance engine block with reliable materials and the ability to handle high horsepower and torque, Dart Big Iron Block Chevy blocks may be a good choice for you. However, be prepared to pay a premium for these blocks and be willing to put in the time to customize them to your specific engine needs. It's also recommended to check availability and lead times before making a purchase to avoid any delays.

Details:

Dart 31213454 - big m iron block Chevy blocks. Finished cylinder bores: no. Includes freeze plugs: yes. True priority main oil system lubricates the bearings before lifters.

Lifter valley head stud bosses prevent blown gaskets. Recommended use: performance.

Main cap material: billet steel. Includes cam bearings: no. Competition oiling system ensures adequate lubrication to the main bearings at high rpm. Dual oil pan bolt patterns fie standard and notched pans.

The big m is fitted with billet steel 4-bolt main caps for ultimate bottom end strength. Cast from premium high strength iron and beefed up in all the critical areas. Includes main cap fasteners: yes.: Dart engineered the big m to be strongest, most reliable and easiest build big block on market.

Material: cast iron. Finish: bare. Block type: Chevy big.

specifications engineblocksam:

• for makes: Chevy
• brand: Dart
• mpn: 31213454
• part type: Block
• upc: 807051045741

returns engineblocksam:

• time: 30 days
• policy: returns accepted
• paid by: seller

offer engineblocksam:

• in stock #: 5
• sold #: 26
• prices: $4519.98–$5684.91
• item condition: New
• availability: in stock
• options: ship-to-home
• started: november 9, 2024

seller engineblocksam:

• city: saint paul, minnesota
• # reviews: 44818
• rating: 96.9%

shipping engineblocksam:

• class: standard
• transit: 5-10 days
• type: fixed
• service: standard

payments engineblocksam:

• credit card: discover
• other
• wallet: apple-pay

general engineblocksam:

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