{"product_id":"66785-manual-engine-piston-ring-filer-grinder-tool-with-120-grit-kit-wheel","title":"66785 Manual Engine Piston Ring Filer Grinder Tool with 120 Grit Kit Wheel","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement piston ring filer tool is a manual grinding unit designed for sizing and adjusting piston ring end gaps during engine assembly and rebuild work. The tool holds a ring against a rotating grinding wheel so material can be removed gradually to reach the required gap. The set is supplied with a 120 grit grinding wheel kit and references part number 66785.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManual operation allows the ring to be fed against the grinding wheel by hand for controlled material removal.\u003c\/li\u003e\n\u003cli\u003eFiling ring end gaps is a normal step when preparing piston rings for installation in an engine build.\u003c\/li\u003e\n\u003cli\u003eThe included 120 grit grinding wheel supports the abrasive material removal step of the ring fitting process.\u003c\/li\u003e\n\u003cli\u003eCross-references part number 66785 for identification and comparison with the existing tool or listing reference.\u003c\/li\u003e\n\u003cli\u003eIntended as a shop tool for engine assembly, rebuild, and ring replacement work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSetting piston ring end gap during engine assembly or rebuild.\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or damaged ring filer tool.\u003c\/li\u003e\n\u003cli\u003eGeneral engine service work where ring gaps require adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Manual engine piston ring filer tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 66785\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinding Wheel Grit:\u003c\/strong\u003e 120 grit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Component:\u003c\/strong\u003e Grinding wheel kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a piston ring filer tool do? \u003cstrong\u003eA:\u003c\/strong\u003e It grinds material from the ends of a piston ring so the end gap can be adjusted to the required measurement before the ring is installed on the piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Confirm the tool part number 66785 and the 120 grit wheel specification match the tool being replaced, and check the ring size and engine application against the existing tool before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67606831923473,"sku":"ZZ3N00367","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_8a4c4821-dc59-4382-895b-4bf495b28b91.jpg?v=1790793870","url":"https:\/\/www.duraforce.com\/products\/66785-manual-engine-piston-ring-filer-grinder-tool-with-120-grit-kit-wheel","provider":"DURAFORCE","version":"1.0","type":"link"}