31264355 DART Big Engine Block Deck Steel 250 200

Review DART Aluminum Big Engine Block 4.250 Bore Deck Height Steel Ma for 250 200

The Dart Big MBlock engine block, model number 31264355, is a high-performance cast iron engine block designed for big bore applications. This block is specifically suited for a displacement of 4.250 cubic inches and a deck height of 10.200 inches, making it an ideal choice for those seeking increased power and torque in their engine build.

The Dart Big MBlock engine block is engineered with a unique, high-strength design. The block features a new, larger water jacket design that provides better cooling capabilities and increased durability. The deck surface is machined flat to ensure a perfect sealing surface for the cylinder heads. The block also includes a new, improved oiling system that ensures adequate lubrication for the crankshaft and main bearings.

The block is made from high-quality, steel cast iron, which provides excellent strength and rigidity. The cast iron material also offers superior heat dissipation capabilities, making it an excellent choice for high-performance applications. The block is precision-machined to ensure a perfect fit and finish, and all critical dimensions are held to tight tolerances to ensure optimal engine performance.

The Dart Big MBlock engine block also includes provisions for modern engine accessories such as electric water pumps, power steering pumps, and alternators. The block also includes a deep sump design that provides ample oil capacity and ensures adequate oil flow to the crankshaft and main bearings.

In summary, the Dart Big MBlock engine block, model number 31264355, is a high-performance cast iron engine block designed for big bore applications. With a displacement of 4.250 cubic inches and a deck height of 10.200 inches, this block is perfect for those seeking increased power and torque in their engine build. The block features a unique, high-strength design, including a new, larger water jacket design, an improved oiling system, and provisions for modern engine accessories. The block is made from high-quality, steel cast iron and is precision-machined to ensure a perfect fit and finish.

Pros and Cons of Buying a Dart Big Engine Block (4.250 x 10.200 deck, steel)

Buying a new engine block is a significant investment for any automotive enthusiast or professional mechanic. One such engine block is the Dart 31264355, a big steel block with a 4.250 x 10.200-inch deck. In this analysis, we will discuss the pros and cons of investing in this engine block to help you make an informed decision.

1. Robust Design: The Dart 31264355 engine block is made of high-quality steel, ensuring durability and strength. This makes it an excellent choice for high-performance applications.

2. Versatility: This engine block can accommodate various engine sizes and configurations, making it a popular choice among builders.

3. Enhanced Cooling: The large deck surface area allows for improved cooling, which is essential for high-performance engines.

4. Better Crack Resistance: The steel material of the engine block provides better resistance to cracks, ensuring a longer engine life.

1. Weight: The steel material and large deck size result in a heavier engine block, which may increase the overall weight of the engine and vehicle.

2. Cost: Compared to aluminum engine blocks, steel blocks like the Dart 31264355 tend to be more expensive.

3. Complexity: Installing and setting up a steel engine block can be more complex than an aluminum one due to its larger size and weight.

4. Limited Availability: Depending on the region, some aftermarket parts for steel engine blocks may be harder to find or more expensive than their aluminum counterparts.

The Dart 31264355 engine block offers several advantages, such as robustness, versatility, enhanced cooling, and better crack resistance. However, it also comes with drawbacks, including increased weight, higher cost, complexity in installation, and limited availability of aftermarket parts.

If you are building a high-performance engine and prioritize strength and durability, the Dart 31264355 engine block is an excellent choice. However, if you are looking for a lighter, more affordable, and more easily available engine block, you may want to consider an aluminum block instead. Ultimately, your decision should depend on your specific requirements, budget, and application.

Details:

American express.

specifications engineblocksam:

• for models: 250, 200
• brand: Dart
• mpn: 31264355
• part type: Aluminum Engine Block Deck

general engineblocksam:

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

seller engineblocksam:

• rating: 97.8%
• city: , ohio
• # reviews: 595293

offer engineblocksam:

• availability: in stock
• sold #: 18
• options: ship-to-home
• price: $6999.99
• item condition: New
• started: july 1, 2025
• in stock #: 1

returns engineblocksam:

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

shipping engineblocksam:

• type: fixed
• service: economy
• transit: 4-10 days
• class: economy

payments engineblocksam:

• wallet: google-pay
• other
• credit card: mastercard