King Tony Adjustable Piston Ring Compressor is a professional-grade engine assembly tool designed to make piston installation fast, accurate, and damage-free. Built for workshop reliability, this compressor ensures piston rings are evenly compressed into their grooves, allowing smooth insertion into engine cylinders without distortion or ring breakage. The square adjustment key wrench delivers precise, controlled tightening, while the integrated clutch control system prevents over-compression and unwanted ring expansion. This makes it ideal for both rebuilds and routine engine work where consistency and control matter. Compact, lightweight, and durable, it’s a must-have tool for mechanics, engine builders, and workshops that take quality seriously.

• Adjustable bore range from 90 mm to 175 mm for wide engine compatibility
• 100 mm height provides stable and even ring compression
• Square adjustment key wrench ensures accurate tightening control
• Built-in clutch control prevents piston rings from over-expanding
• Smooth compression action for safe, damage-free piston installation
• Lightweight 320 g construction for easy handling and reduced fatigue
• Ideal for professional workshops, engine rebuilders, and DIY mechanics
• This King Tony piston ring compressor delivers dependable performance where precision counts — no shortcuts, no compromised engine builds, just proper results every time.