Akerly-Childs AC-RC4030 4.030-Inch Tapered Aluminum Piston Ring Compressor

The Akerly-Childs AC-RC4030 piston ring compressor is designed for installing piston rings into engine cylinders with a controlled, even compression process. Built for a 4.030-inch bore, this tapered ring compressor helps guide piston rings smoothly into position while reducing the risk of ring damage, snagging, or uneven seating during engine assembly.
Constructed from lightweight aluminum, the compressor is easy to handle and practical for professional engine builders, performance enthusiasts, and automotive repair applications. Its black anodized finish adds surface durability and provides a clean, professional appearance suitable for repeated shop use. The tapered design supports consistent ring compression as the piston enters the cylinder, helping promote efficient and accurate installation.
The Akerly-Childs AC-RC4030 is supplied as an individual compressor and is intended for use with engines requiring a 4.030-inch cylinder bore. Its focused application makes it a useful addition to engine-building tool collections where proper piston ring installation is essential to protecting components and maintaining assembly quality. Use the correct bore-specific compressor for reliable fitment and smooth installation results.

Features:

• Brand: Akerly-Childs

• Part Number: AC-RC4030

• Application: Piston ring installation for a 4.030-inch bore

• Design: Tapered profile for smooth, controlled ring compression

• Material: Lightweight aluminum construction

• Finish: Black anodized surface

• Quantity: Sold individually

• Air Restricted: No

• Truck Freight Only: No