Akerly-Childs AC-RC4187 Tapered Piston Ring Compressor for 4.187 in Bore

The Akerly-Childs AC-RC4187 piston ring compressor is designed for installing pistons into engine blocks with a 4.187-inch bore. Its tapered design helps guide piston rings smoothly into the cylinder, supporting efficient engine assembly and reducing the risk of ring snagging or improper positioning during installation.
Constructed from lightweight aluminum, this piston ring compressor offers a practical balance of durability and ease of handling. The black anodized finish provides added surface protection while giving the tool a clean, professional appearance. Its purpose-built design makes it suitable for engine builders, automotive technicians, and performance enthusiasts who require consistent ring compression during piston installation.
The Akerly-Childs Ring Compressor 4.187 is supplied as an individual tool and is intended for applications requiring a 4.187-inch bore size. It is not air restricted and does not require truck freight, making it convenient for standard workshop use and shipping. Use the AC-RC4187 to help maintain proper piston alignment and support a controlled, reliable engine assembly process.

Features:

• Brand: Akerly-Childs

• Part Number: AC-RC4187

• Bore Size: Designed for 4.187-inch engine bores

• Design: Tapered piston ring compressor for guided piston installation

• Material: Lightweight aluminum construction

• Finish: Black anodized surface for added protection

• Quantity: Sold individually

• Application: Suitable for automotive and performance engine assembly

• Shipping: Not air restricted and does not require truck freight