Push the Limits of Late-Model Hemi Performance with Callies Performance Engine Blocks

The engine block is the foundation for your high-performance Mopar build. Make sure it’s up to the task with a Callies Performance Mopar Gen III Hemi Engine Block. They use the latest in CASM (Computer-Aided Solid Modeling), foundry, and CNC technology to design, cast, and machine the blocks to the same rigorous standards that make Callies Performance crankshafts and connecting rods a staple of winning race cars the world over.

Mopar Gen III Cast Iron Engine Blocks
Callies Performance Mopar Gen III Cast Iron Engine Blocks are produced using the original Mopar molds, cores, and engineering data, earning them an officially licensed replacement product designation by Mopar. The blocks even carry the same authentic Mopar part numbers. What this means to you is you get the same stout Mopar strength and quality you want without having to scrounge through junkyards or online ads and take a chance on someone else’s used-up junk.

Callies Performance Mopar Gen III Cast Iron Engine Blocks are available in 6.2L Hellcat and 6.4L “BGE” forms. You can get them as an engine block only, the block with OptiTorque main stud kit, the block with main studs and billet aluminum main caps, or the block with main studs, billet main caps, and line hone machining operation already performed. 

Mopar Gen III Hellephant and Drag Pak Aluminum Engine Blocks
For maximum strength and weight savings, choose a Callies Performance Mopar Gen III Hellephant or Drag Pak Aluminum Engine Block. With features like billet main caps, precision-machined lifter bores, and most importantly, the ability to support 1,500-plus horsepower, these blocks are the ultimate choice for professional racers and enthusiasts. 

Features of these engine blocks include: 

Hellephant

• Cast from A355 aluminum
• 9.250-inch deck height
• 6.2L Hellcat/6.4L Scat Pack-BGE timing drive; VCT solenoid included
• Standard lifter pattern with .842-inch diameter lifter bores
• Standard cam bore with bearings installed
• 4140 billet aluminum main caps
• 4-bolt main caps on journals 1 and 5 and 6-bolt main caps on journals 2, 3, and 4
• Delivered with 4.120-inch machined bores; require finish honing to 4.125-inch

• Cast from A355 aluminum
• 9.250-inch deck height
• 6.1L SRT timing drive without VCT solenoid
• .937 keyway lifter bushings; requires finish hone
• 60mm RoughBore cam bores; bearings not included
• 4140 billet aluminum main caps
• 4-bolt main caps on journals 1 and 5 and 6-bolt main caps on journals 2, 3, and 4
• Delivered with 4.120-inch machined bores; require finish honing to 4.125-inch