Perhaps the most critical engine assembly step is file fitting and installing the piston rings with the correct gap—it’s that important to the performance and durability of the engine.
How to Install Piston Rings - Summit Racing Quick Flicks
Another rings end gap question, Page 2
How to Install Spirolox
How to File-Fit and Install Piston Rings
Oil Ring Question
Another rings end gap question, Page 2
The Secrets To File-Fitting Piston Rings Successfully
How to File-Fit and Install Piston Rings
Another rings end gap question, Page 2
Behind The Scenes: Diamond's STEEL Piston Technology