GRANATELLI PRECISION ENGINE TOOLS. SET PISTON RING END GAPS WITH PRECISION - WITHOUT THE CORD. The Granatelli Motor Sports 540100 Electric Piston Ring Filer is a complete cordless ring-filing solution designed to help engine builders, performance shops and serious enthusiasts achieve accurate, consistent piston ring end gaps during engine assembly and rebuilding. Powered by a rechargeable 12V NiCad battery, this portable electric piston ring grinder and ring filing tool provides controlled filing without being tied to a workbench outlet. The complete kit includes the filer, battery, wall charger and two 120-grit grinding wheels. CORDLESS 12V POWER / PRECISE RING GAP CONTROL / COMPLETE READY-TO-USE KIT. ENGINE BUILDING PRECISION THAT MATTERS. Why Proper Piston Ring Gap Matters: Proper piston ring end gap is an important part of engine assembly. The Granatelli 540100 Electric Piston Ring Filer helps make the filing process more controlled and repeatable, allowing builders to gradually remove material while checking the ring gap throughout the process. Accurate Ring Gaps in Three Steps: 01 Check the Initial Gap Measure the piston ring in the cylinder and determine the required end-gap specification. / 02 File Gradually Use the electric filer to remove material gradually and maintain controlled ring-end preparation. / 03 Measure & Verify Frequently check the finished ring gap until the manufacturer's recommended specification is achieved.. Built for the Engine Builder, Race Shop or Garage: - Professional Engine Builders - Racing Engines - Engine Rebuilds - Street Performance Builds - Custom Engine Projects - Home Workshops.
- Piston ring grinder built for performance and reliable fitment. Improves drivability, durability, and overall vehicle feel.
- engine rings built for performance and reliable fitment. Improves drivability, durability, and overall vehicle feel.
- shopwrk built for performance and reliable fitment. Improves drivability, durability, and overall vehicle feel.
