Akerly-Childs AC-RC4155 Tapered Piston Ring Compressor for 4.155-Inch Bore

The Akerly-Childs AC-RC4155 piston ring compressor is designed for installing pistons into engine cylinders with a 4.155-inch bore. Its tapered profile helps guide piston rings smoothly into the cylinder, supporting efficient engine assembly and reducing the risk of ring damage during installation. This specialized tool is well suited for professional engine builders, performance automotive technicians, and serious engine assembly projects.
Constructed from aluminum, the Akerly-Childs AC-RC4155 combines practical durability with a lightweight design that is easy to handle during repeated use. The black anodized finish provides added surface protection and a clean, professional appearance while helping the compressor withstand the demands of workshop environments. Its application-specific sizing allows for a close fit around the piston and cylinder bore for controlled ring compression.
The Akerly-Childs AC-RC4155 is supplied as an individual piston ring compressor and is intended for use with compatible 4.155-inch bore engine applications. Its tapered construction makes piston insertion more consistent and helps simplify the installation process when proper ring placement and cylinder alignment are required. This tool is not air restricted and is suitable for standard shop and garage use without special freight handling requirements.

Features:

• Brand: Akerly-Childs

• Part Number: AC-RC4155

• Tool Type: Tapered piston ring compressor

• Compatible Bore: 4.155-inch engine bore

• Material: Aluminum construction

• Finish: Black anodized finish

• Application: Compresses piston rings during engine assembly

• Packaging: Sold individually

• Air Restricted: No

• Freight Requirement: Standard shipping suitable