{"product_id":"a-pr138-ai-rings-piston","title":"A-PR138-AI Rings, Piston","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston Ring Set Fits International Harvester (IH) \/ Fits Case IH Tractors\u003c\/h3\u003e\u003cp\u003eThis aftermarket piston ring set is a per-cylinder replacement for the Fits International Harvester C291 gasoline engine used in IH and Fits Case IH tractors and industrial\/construction equipment. The set includes compression rings and an oil control ring sized to the standard 3.750\" bore of the C291 engine, restoring proper cylinder sealing, compression, and oil control during engine rebuild or overhaul.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine: Fits International Harvester C291 (Gas)\u003c\/li\u003e\n\u003cli\u003eBore Size: 3.750\" (Standard)\u003c\/li\u003e\n\u003cli\u003eTop Compression Ring: 0.125\" - Barrel Face Triple Chrome\u003c\/li\u003e\n\u003cli\u003e2nd Compression Ring: 0.094\" - Reverse Torsional Taper Face\u003c\/li\u003e\n\u003cli\u003eOil Control Ring: 0.250\" - Chrome Rail with Oil Ring Spacer\u003c\/li\u003e\n\u003cli\u003eSold per cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits International Harvester \/ Fits Case IH Tractors (C291 Gas Engine):\u003c\/strong\u003e 666, 686, 706, 756, 766, Hydro 70, Hydro 86\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits International Harvester \/ Fits Case IH Industrial\/Construction:\u003c\/strong\u003e 2706, 2756\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003ePR138, A-PR138\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003ePRS189 (A\u0026amp;I Mega-Cross)\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40023283892307,"sku":"A-PR138-AI","price":129.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-PR138-AI_01.jpg?v=1757806758","url":"https:\/\/www.reliableaftermarketparts.com\/en-au\/products\/a-pr138-ai-rings-piston","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}