{"product_id":"granatelli-electric-piston-ring-filer-kit-cordless-12v-ring-grinder-with-battery-charger-grinding-wheels-540100","title":"Granatelli Electric Piston Ring Filer Kit – Cordless 12V Ring Grinder with Battery, Charger \u0026 Grinding Wheels - 540100","description":"\u003cdiv class=\"gms-tool-product\" style=\"max-width:100%; color:#1d1d1d;\"\u003e\n\n\u003c!-- PISTON RING FILER HERO --\u003e\n\u003cdiv style=\"border:2px solid #3f3f3f; border-radius:14px; padding:28px 26px; margin-bottom:20px; background:#e9e9e9; box-shadow:0 5px 14px rgba(0,0,0,0.10); border-left:7px solid #d96b27;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.7px; color:#b9561f; margin:0 0 7px;\"\u003eGRANATELLI PRECISION ENGINE TOOLS\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:28px; line-height:1.25; font-weight:900; color:#111111; margin:0 0 11px;\"\u003eSET PISTON RING END GAPS WITH PRECISION — WITHOUT THE CORD.\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.7; margin:0 0 10px;\"\u003eThe \u003cstrong\u003eGranatelli Motor Sports 540100 Electric Piston Ring Filer\u003c\/strong\u003e is a complete cordless ring-filing solution designed to help engine builders, performance shops and serious enthusiasts achieve \u003cstrong\u003eaccurate, consistent piston ring end gaps\u003c\/strong\u003e during engine assembly and rebuilding.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0;\"\u003ePowered by a \u003cstrong\u003erechargeable 12V NiCad battery\u003c\/strong\u003e, this portable electric piston ring grinder 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.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- PERFORMANCE STRIP --\u003e\n\u003cdiv style=\"border:2px solid #4a4a4a; border-radius:12px; overflow:hidden; margin-bottom:20px; background:#333333;\"\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center; border-right:1px solid #666666;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003eCORDLESS\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003e12V POWER\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center; border-right:1px solid #666666;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003ePRECISE\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003eRING GAP CONTROL\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003eCOMPLETE\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003eREADY-TO-USE KIT\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHY RING GAP MATTERS --\u003e\n\u003cdiv style=\"border:2px solid #8a8a8a; border-radius:12px; padding:22px; margin-bottom:20px; background:#f1f1f1;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#b9561f; margin:0 0 5px;\"\u003eENGINE BUILDING PRECISION THAT MATTERS\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; margin:0 0 10px;\"\u003eWhy Proper Piston Ring Gap Matters\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0;\"\u003eProper piston ring end gap is an important part of engine assembly. The \u003cstrong\u003eGranatelli 540100 Electric Piston Ring Filer\u003c\/strong\u003e helps make the filing process more controlled and repeatable, allowing builders to gradually remove material while checking the ring gap throughout the process.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- SIMPLE PROCESS --\u003e\n\u003cdiv style=\"border:2px solid #858585; border-radius:12px; padding:22px; margin-bottom:20px; background:#ececec;\"\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; margin:0 0 14px;\"\u003eAccurate Ring Gaps in Three Steps\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e01\u003c\/div\u003e\n\u003cstrong\u003eCheck the Initial Gap\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eMeasure the piston ring in the cylinder and determine the required end-gap specification.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e02\u003c\/div\u003e\n\u003cstrong\u003eFile Gradually\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eUse the electric filer to remove material gradually and maintain controlled ring-end preparation.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e03\u003c\/div\u003e\n\u003cstrong\u003eMeasure \u0026amp; Verify\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eFrequently check the finished ring gap until the manufacturer's recommended specification is achieved.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHO IT IS FOR --\u003e\n\u003cdiv style=\"border:2px solid #575757; border-radius:12px; padding:22px; margin-bottom:20px; background:#3b3b3b; color:#ffffff;\"\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; color:#ffffff; margin:0 0 12px;\"\u003eBuilt for the Engine Builder, Race Shop or Garage\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.9; color:#f4f4f4; margin:0;\"\u003e\n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Professional Engine Builders   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Racing Engines   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Engine Rebuilds   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Street Performance Builds   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Custom Engine Projects   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Home Workshops\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- APPLICATIONS --\u003e\n\u003cdiv style=\"border:2px solid #8a8a8a; border-radius:12px; padding:22px; margin-bottom:20px; background:#eeeeee;\"\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eVersatile for Engine Assembly \u0026amp; Rebuilding\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Performance Engine Builds\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIdeal for preparing piston rings during high-performance and custom engine assembly.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Engine Rebuilding\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eSpeeds up ring preparation during complete engine rebuilds and fresh assemblies.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Racing Applications\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eProvides controlled ring filing for race engines where precise end-gap setup is critical.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Professional \u0026amp; Home Shops\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eThe cordless design makes it convenient for both professional engine shops and serious enthusiasts.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHY THIS TOOL --\u003e\n\u003cdiv style=\"border:2px solid #8a8a8a; border-radius:12px; padding:22px; margin-bottom:20px; background:#eeeeee;\"\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eWhy Use the Granatelli Electric Piston Ring Filer?\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Cordless Electric Design\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eRechargeable 12V power provides portable filing without needing a power outlet at the workbench.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Consistent Ring Filing\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eHelps create repeatable piston ring end gaps while reducing the effort required compared with manual filing.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Complete Ready-to-Use Kit\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIncludes the electric filer, rechargeable battery, wall charger and two grinding wheels.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Portable Engine-Building Tool\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIdeal for engine shops, race trailers, garages and other engine assembly environments.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- KIT CONTENTS --\u003e\n\u003cdiv style=\"border:2px solid #777777; border-radius:12px; padding:22px; margin-bottom:20px; background:#e8e8e8;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#b9561f; margin:0 0 5px;\"\u003eCOMPLETE KIT\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eEverything You Need to Get Started\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Electric Piston Ring Filer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eCordless electric filing tool designed for controlled piston ring preparation.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ 12V Rechargeable NiCad Battery\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eProvides cordless power for repeated ring-filing work.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ 110V Wall Charger\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIncluded charger for the rechargeable 12V battery.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Two 120-Grit Grinding Wheels\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIncludes two grinding wheels for piston ring filing applications.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- SPECS --\u003e\n\u003cdiv style=\"border:2px solid #777777; border-radius:12px; padding:22px; margin-bottom:20px; background:#e8e8e8;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#b9561f; margin:0 0 5px;\"\u003eTOOL DETAILS\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; background:#fafafa;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"width:42%; padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003e540100\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eCordless Electric Piston Ring Filer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e12V Rechargeable NiCad\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eCharger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e110V Wall Charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eGrinding Wheels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eTwo 120-Grit Grinding Wheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eUniversal Engine Assembly \u0026amp; Rebuilding\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e802735042443\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- IMPORTANT RING GAP NOTE --\u003e\n\u003cdiv style=\"border:2px solid #d16a2d; border-radius:12px; background:#f5e5d8; padding:19px 20px;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.3px; color:#a84818; margin:0 0 5px;\"\u003ePISTON RING SETUP NOTE\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.65; margin:0;\"\u003e\u003cstrong\u003eAlways follow the piston and piston-ring manufacturer's recommended end-gap specifications.\u003c\/strong\u003e Measure the ring gap frequently during filing to avoid removing too much material. Proper measurement and verification are essential before final engine assembly.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":52877034684712,"sku":"540100","price":329.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5147\/0888\/files\/540100_1d001e1b-4ca4-4352-ba07-52f9a1d10be8.png?v=1790229154","url":"https:\/\/iwujiperformance.com\/products\/granatelli-electric-piston-ring-filer-kit-cordless-12v-ring-grinder-with-battery-charger-grinding-wheels-540100","provider":"Iwuji Performance","version":"1.0","type":"link"}