Get ready to take your Mopar’s performance to the next level with the incredible cast iron 5.7 based Gen III Hemi block from Speedmaster. These blocks are not only designed to look standard under the hood, but they also work seamlessly with stock components.

Whether you’re a street racer or an all-out racer looking for added strength and cubic inches, these bare blocks are the perfect choice. What makes these blocks truly remarkable is that all of the factory flaws have been completely redesigned to eliminate any potential problems.

Despite their enhanced performance capabilities, these blocks still utilize a water jacket design, ensuring optimal cooling for your engine. You can trust that Speedmaster has meticulously thought through every detail to deliver a flawless product.

Crafted from the highest quality, high-density iron, these blocks are built to withstand even the most demanding conditions. The extra-thick cylinder walls and decks provide the utmost durability, while the stronger webs and billet steel 4-bolt main caps contribute to the overall strength of the block.

These blocks can handle 1500+ horsepower with all of the extra-thick cylinder walls and decks. They also feature enlarged bosses for offset or oversize lifters and scalloped water jacket holes for improved cooling.

Why pay a premium for a junk yard motor than could be damaged, when you can start your build with an improved version that is ready to be built. You can be confident that your engine will perform.

These blocks can be found at Summit Racing Equipment’s website along with all the other go fast parts you will want for your next engine build. With a price of under $2,500.00, we think this is the perfect block to build for your Mopar.

The Gen III Hemi blocks are based on the 2003-2008 5.7 Hemi and does not utilize VVT. Although the block can withstand a lot of power, it is not recommended to overbore any further than 0.040 in.

So, don’t settle for anything less than the best when it comes to your vehicle’s performance. Upgrade to Speedmaster’s cast iron Gen III Hemi block and experience the power and reliability that you’ve always dreamed of. These blocks can be found at Summit Racing Equipment’s website along with all the other go fast parts you will want for your next engine build.