DART 31622311 Iron Block 807501054675 5.7L 9.250 4.250

( Brand: Dart ), ( Type: Engines, Bare Blocks ), ( Manufacturer Part Number: 31622311 ), ( Performance Part: Yes ), ( UPC: 807501054675 )

Review DART Mopar 5.7l Gen Iron Block 9.250 4.250 fits HEMI 250

The Dart 31622311 Mopar 5.7L Gen Hemi Iron Block is a high-performance aftermarket replacement engine block designed specifically for the Mopar 5.7L Gen Hemi engine. This iron block is engineered to provide superior strength and durability, making it an excellent choice for racers, hot rodders, and high-performance enthusiasts.

The block measures 9.250 inches in bore center and 4.250 inches in stroke center, ensuring a perfect fit for the 5.7L Gen Hemi engine. The iron material used in the construction of this block provides excellent heat dissipation and resistance to engine damage caused by high compression and horsepower.

This block features a number of upgrades compared to the factory block. It includes a thicker deck surface to accommodate higher cylinder pressures, as well as increased wall thickness in critical areas to improve strength and durability. The block also includes a billet steel crankshaft damper pad to reduce engine vibration and improve overall engine balance.

The Dart 31622311 Mopar 5.7L Gen Hemi Iron Block is also designed to be easy to install. It includes all necessary mounting bosses and gasket surfaces, making it a drop-in replacement for the factory block. The block is also CNC machined for precision and accuracy, ensuring a perfect fit and finish.

This high-performance engine block is also backed by a limited lifetime warranty, providing peace of mind to customers. With its superior strength, durability, and ease of installation, the Dart 31622311 Mopar 5.7L Gen Hemi Iron Block is an excellent choice for anyone looking to build a high-performance Mopar engine. Whether you're looking to increase horsepower, improve reliability, or simply upgrade your engine, this block is an excellent investment.

The Mopar 5.7L Gen III HEMI iron block engine with a bore size of 9.250 inches and a stroke length of 4.250 inches is a popular choice among automotive enthusiasts and professionals for various applications, including performance builds, restorations, and replacements. Like any engine component, this part comes with its advantages and disadvantages.

1. Durability: The iron block design provides superior strength and durability compared to aluminum blocks. This is essential for high-performance applications and heavy-duty usage.

2. Cost-Effective: Iron blocks tend to be more affordable than their aluminum counterparts, making them an attractive option for those on a budget.

3. Better Heat Management: Iron blocks absorb and distribute heat more efficiently than aluminum blocks, which can help maintain optimal engine temperatures and improve engine performance.

4. Suitability for High Horsepower Applications: The strength and durability of iron blocks make them an excellent choice for high horsepower applications, where the engine will be subjected to increased stress and wear.

1. Weight: Iron blocks are heavier than aluminum blocks, which can negatively impact fuel economy and vehicle performance.

2. Casting Quality: The quality of iron blocks can vary greatly depending on the manufacturer and casting process. Low-quality castings may contain porosity or other defects that can lead to engine issues.

3. Size and Clearance: The larger size of iron blocks can make them less suitable for applications with limited engine bay space or clearance issues.

4. Heat Retention: While iron blocks are better at managing heat, excessive heat can lead to issues such as detonation and pre-ignition. Proper cooling systems and engine tuning are essential to mitigate these risks.

In conclusion, the Mopar 5.7L Gen III HEMI iron block engine offers superior durability, cost-effectiveness, and heat management capabilities, making it an excellent choice for high horsepower applications and heavy-duty usage. However, its weight, potential casting quality issues, and size constraints are important considerations.

If you're planning to use this engine in a performance build or heavy-duty application, its advantages outweigh the disadvantages. However, if you're working on a project with limited engine bay space or a focus on fuel economy, you may want to consider an aluminum block engine instead. Ultimately, the decision depends on your specific application requirements and priorities.

Details:

Manufacturer: DART. Engine - Bare Block 4.250 in Bore 9.250 Deck 4-Bolt Mains 1-Piece Seal Iron 5.7L Gen III Hemi Each.

part #: 31622311 prices

• $4932.47-$5668.99

specifications pumppruner:

• for models: 250, Hemi
• for makes: Mopar
• brand: Dart
• type: Engines, Bare Blocks
• manufacturer part number: 31622311
• performance part: Yes
• upc: 807501054675

offer pumppruner:

• started: June 21, 2025
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

shipping pumppruner:

• type: Fixed
• class: Standard
• transit: 4-10 Days
• cost: $0.00
• service: Standard

general pumppruner:

• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts
• condition: New

returns pumppruner:

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

seller pumppruner:

• rating: 99.6%
• # reviews: 105213
• city: San Leandro, California

payments pumppruner:

• other
• credit card: Discover
• wallet: Google-pay

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