3 Review(s)

This 4-inch piston ring compressor tool (53–175mm) is designed for efficient and precise engine assembly. The adjustable ratcheting band securely compresses piston rings for easy insertion into engine cylinders without damage. Built from durable carbon steel, it ensures long-lasting performance and reliability under workshop conditions. Ideal for car, bike, and small engine repairs, this tool provides firm grip and smooth operation during compression and installation. A must-have for mechanics, automotive technicians, and DIY engine builders, it simplifies piston installation and helps maintain engine integrity during rebuilds and maintenance.