{"product_id":"bbtv-4912-engine-piston-ring","title":"BBTV 4912 Engine Piston Ring","description":"\u003ch2\u003eEngine Piston Ring for Ford Ranger\u003c\/h2\u003e\u003cp\u003eThis engine piston ring is built for a 3.779-inch bore and standard oversize applications, with materials and surface treatments selected for controlled sealing and wear resistance. It fits 1995-1997 Ford Ranger engines and is identified by part number 4912.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard bore application for 96.00 mm engine bores.\u003c\/li\u003e\n\u003cli\u003eTop ring made from grey iron with phosphate surface treatment.\u003c\/li\u003e\n\u003cli\u003eSecond ring made from grey iron with phosphate surface treatment.\u003c\/li\u003e\n\u003cli\u003eOil ring uses a steel rail and stainless expander with chrome treatment.\u003c\/li\u003e\n\u003cli\u003eConfigured for a 4-cylinder engine application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003ePart number 4912 is an engine piston ring set component for Ford Ranger applications from 1995-1997. The ring package is specified for a 3.779-inch, 96.00 mm bore and standard oversize fitment, with a grey iron top ring, grey iron second ring, and a steel rail\/stainless expander oil ring. The phosphate and chrome surface treatments are used to support ring durability and stable cylinder sealing under operating heat and friction.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a Ford Ranger piston ring, engine ring set, or standard bore piston ring replacement, 4912 provides the core ring materials and finishes needed for a direct engine rebuild application. The listed cylinder quantity is 4, matching the engine configuration shown in the fitment data.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring cylinder compression in worn engine bores.\u003c\/li\u003e\n\u003cli\u003eReducing oil control issues caused by tired ring sealing.\u003c\/li\u003e\n\u003cli\u003eAddressing blow-by from worn piston ring surfaces.\u003c\/li\u003e\n\u003cli\u003eSupporting rebuild work on a 4-cylinder Ford Ranger engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify bore size, ring groove dimensions, and oversize requirements before installation. Clean the piston ring grooves thoroughly and confirm ring end gaps against the engine builder’s specifications. This part cross-references Walker Exhaust 41726 for the same application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFitment data confirms this part for 1995-1997 Ford Ranger applications. Part number 4912 should be matched to the engine’s bore and ring groove specifications before assembly.\u003c\/p\u003e","brand":"BBTV","offers":[{"title":"Default Title","offer_id":53669307941045,"sku":"BBTV-4912","price":53.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HA_4912_Fro.jpg?v=1793687165","url":"https:\/\/www.partcatalog.com\/products\/bbtv-4912-engine-piston-ring","provider":"PartCatalog","version":"1.0","type":"link"}