The King Tony Piston Ring Compressor 165 mm is a professional-grade tool designed for safe and efficient installation of piston rings during engine assembly and repair. Engineered for accuracy and ease of use, this compressor ensures piston rings are evenly compressed and correctly seated into the cylinder bore. The square adjustment key allows precise control, while the clutch mechanism prevents the rings from expanding during installation, ensuring smooth and damage-free operation. Built for durability and reliability, this tool is ideal for automotive workshops, engine rebuilders, and professional mechanics. With a wide adjustable range, it accommodates various piston sizes, making it a versatile and essential tool for engine service work.

• Professional piston ring compressor
• Adjustable diameter range for multiple piston sizes
• Square adjustment key for controlled compression
• Clutch mechanism prevents ring expansion
• Durable construction for workshop use
• Designed for safe and accurate piston installation