Akerly-Childs AC-RC4040 4.040-Inch Tapered Aluminum Piston Ring Compressor

The Akerly-Childs AC-RC4040 piston ring compressor is designed for installing pistons into engine cylinders with consistent, controlled ring compression. Its tapered profile helps guide the piston and rings smoothly into the bore, reducing the risk of ring snagging or damage during assembly. This tool is suited for professional engine builders, performance enthusiasts, and technicians who require reliable fit and handling during engine installation.
Constructed from lightweight aluminum, the Akerly-Childs AC-RC4040 is easy to position and handle while providing the rigidity needed for repeated shop use. The black anodized finish adds surface protection and supports dependable performance in demanding workshop environments. It is engineered for use with a 4.040-inch cylinder bore and is supplied as an individual compressor.
The AC-RC4040 offers a practical solution for piston installation during engine rebuilding and performance assembly. Its tapered design accommodates the transition of the piston into the cylinder, helping promote proper ring seating and reducing unnecessary effort. Use this Akerly-Childs ring compressor as part of a careful assembly process to support accurate, efficient engine work.

Features:

• Brand: Akerly-Childs

• Part Number: AC-RC4040

• Application: Designed for piston installation in a 4.040-inch cylinder bore

• Design: Tapered profile guides piston rings smoothly into the cylinder

• Material: Lightweight aluminum construction

• Finish: Black anodized surface for added durability and protection

• Quantity: Supplied individually

• Air Restricted: No

• Truck Freight Only: No