31385235 DART Sbf Iron Block 125 500 Eagle

Review DART Sbf Iron Block 4.125 Bore 9.500 for EAGLE EAGLE 125 500

The Dart SBF Iron Eagle Block, model number 31385235, is a high-performance aftermarket cylinder block designed for use in small-block Ford applications. This block is engineered to provide increased strength and durability compared to OEM blocks, making it an excellent choice for high-performance applications.

The Iron Eagle Block features a 4.125-inch bore diameter and a 9.500-inch deck height. These dimensions offer improved ring sealing and increased compression height, leading to better overall engine performance. The block is also designed with a 4-bolt main bearing configuration, providing enhanced rigidity and improved power handling capabilities.

This Dart block is constructed using premium iron material, ensuring a strong and durable foundation for your engine. The block also features a precision-machined surface finish, ensuring a perfect fit and optimal engine performance. Additionally, the block includes new-generation 4130 forged crankshaft and forged pistons, which further enhance the block's strength and durability.

The Iron Eagle Block is designed to be used with a variety of engine configurations, including both naturally aspirated and forced induction setups. It is also compatible with a range of popular engine management systems, making it a versatile choice for many Ford enthusiasts.

In summary, the Dart SBF Iron Eagle Block is a high-quality, aftermarket cylinder block engineered for use in small-block Ford applications. With its increased strength, durability, and compatibility with a range of engine configurations and management systems, it is an excellent choice for those seeking enhanced performance from their Ford engine.

The Dart SBF Iron Eagle Block 4.125 9.500 is a popular choice for those seeking high-performance cylinder heads for their automobiles. Here are some pros and cons to help you make an informed decision:

1. Enhanced Airflow: The Iron Eagle Block 4.125 9.500 features an improved flow design that delivers better airflow to the engine, resulting in increased horsepower and torque.

2. Durability: Dart uses a proprietary iron casting process, which results in a strong, durable cylinder head that can withstand the rigors of high-performance use.

3. Versatility: This cylinder head is compatible with various engine sizes and configurations, making it a versatile choice for a wide range of applications.

4. Improved Cooling: The cylinder head design includes improved cooling features, which helps keep the engine temperature stable and prevents overheating.

5. Customizable: Dart offers various options to customize the cylinder head, such as different valve sizes, ports, and other modifications, to meet specific engine needs.

1. Cost: The Dart SBF Iron Eagle Block 4.125 9.500 is a premium product, and the cost may be a significant consideration for some buyers.

2. Installation Complexity: Installing the cylinder head requires specialized skills and tools, which may add to the overall cost and complexity of the project.

3. Compatibility: While the cylinder head is versatile, it may not be compatible with all engine configurations, so it's essential to verify compatibility before making a purchase.

4. Weight: Compared to lighter aluminum cylinder heads, the Iron Eagle Block 4.125 9.500 is heavier, which may impact engine performance and fuel economy.

The Dart SBF Iron Eagle Block 4.125 9.500 is an excellent choice for those seeking high-performance cylinder heads for their automobiles. Its improved airflow, durability, versatility, and customization options make it a popular choice among enthusiasts and racers. However, its cost, installation complexity, compatibility limitations, and weight may be significant considerations for some buyers.

If you are looking for a high-performance cylinder head that delivers excellent airflow, durability, and versatility, the Dart SBF Iron Eagle Block 4.125 9.500 is an excellent choice. However, it's crucial to consider the cost, installation complexity, compatibility limitations, and weight before making a purchase. If you're on a tight budget or have a smaller engine, you may want to explore other options.

Details:

With a bore size of 4.125 inches and weight 200 pounds, this block is designed for superior strength durability. The Dart 351w sbf iron Eagle block stronger than a ship block is high-performance engine block made of cast iron, manufactured in the USA.

specifications engineblocksam:

• for models: 125, 500, Eagle
• for makes: Eagle
• brand: Dart
• mpn: 31385235
• type: Engine Block
• material: Cast Iron
• country/region of manufacture: United States
• item weight: 200
• performance part: Yes

payments engineblocksam:

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

offer engineblocksam:

• in stock #: 1
• started: august 24, 2025
• price: $6299.95
• item condition: New
• availability: in stock
• options: ship-to-home
• sold #: 16

general engineblocksam:

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

returns engineblocksam:

• policy: no returns

seller engineblocksam:

• city: lees summit, missouri
• rating: 100.0%
• # reviews: 44

shipping engineblocksam:

• class: freight
• service: flat rate freight
• type: fixed