Achieve perfect piston ring gaps every time with HRB’s advanced Piston Ring File Kit. Developed by professional engine builders, this kit combines innovative design with precision engineering, ensuring your piston rings are filed consistently and accurately. Featuring a zero-backlash bearing shaft and ultra-thin diamond wheel, this ring file produces parallel, even gaps on both sides, critical for maintaining optimal engine performance and reliability. With its sturdy billet alloy construction and stainless steel shaft, this tool is not only durable but delivers smooth and controlled operation for any engine build. 

Spare diamond wheels are also available. 

Kit Contents: 

• Wall mount for convenient and accessible storage 
• Precision ring file unit with billet alloy body and stainless shaft 
• Dedicated ring squaring tool for accurate measurements 
• 800-grit diamond lapping file for fine finishing 
• Spare diamond wheel to ensure continuous precision performance 
• Feeler blades included for exact gap measurements 

Why Choose HRB’s Piston Ring File Kit? 

This kit comes with everything you need to get started if you are a hobbyist or professional. This set removes the frustration from piston ring filing, replacing cumbersome manual files with a highly efficient, professional-grade solution. Ideal for engine builders who demand consistent results, HRB’s file kit streamlines the ring gapping process, improving accuracy and reducing build time. 

Whether you’re assembling high-performance race engines or precisely tuning street engines, this piston ring filing kit delivers unmatched quality and ease of use. Perfect for professional engine shops, DIY engine builders, performance workshops, and enthusiasts focused on precise engine assembly, high-performance builds, and custom engine projects.