Callies P5160208AA 4.500 Gen II Hemi Engine Block Rough Bore

The Callies P5160208AA is a high-performance aftermarket engine block designed specifically for Gen II Hemi applications. This aluminum block features a 4.500-inch bore diameter and comes in rough bore configuration, allowing machinists to custom-hone the cylinders to precise specifications for optimal piston-to-wall clearance.

Key Features:

• 4.500-inch bore diameter for increased displacement potential
• Rough bore configuration for custom machining and finish-honing
• Engineered for Gen II Hemi engine platforms (5.7L/6.1L/6.4L)
• High-strength aluminum construction for reduced weight
• Reinforced bulkheads and main caps for extreme horsepower applications
• Priority main oiling system for improved lubrication
• Designed for street/strip and racing applications

This block is ideal for serious engine builders looking to maximize displacement and strength in Gen II Hemi builds. The rough bore allows for precise cylinder finishing to match specific piston requirements and achieve optimal ring seal. Professional machining and assembly required.