{"product_id":"bbtv-139-engine-piston-ring","title":"BBTV 139 Engine Piston Ring","description":"\u003ch2\u003eEngine Piston Ring for V8 Applications\u003c\/h2\u003e\u003cp\u003eThis engine piston ring is built for standard-bore V8 applications with a 4.000-inch cylinder bore and a deep oil groove design. It is listed for a wide range of classic Ford, Chevrolet, GMC, Dodge, and Mercury engines, including Ford F-150, Chevrolet Camaro, and GMC Jimmy applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard oversize for 4.000-inch engine bores\u003c\/li\u003e\n\u003cli\u003eTop ring and second ring use grey iron construction\u003c\/li\u003e\n\u003cli\u003ePhosphate surface treatment on the top and second rings\u003c\/li\u003e\n\u003cli\u003eSteel rail and stainless expander oil ring design with chrome surface treatment\u003c\/li\u003e\n\u003cli\u003eDeep oil groove note for compatible engine builds\u003c\/li\u003e\n\u003cli\u003eEngineered for 8-cylinder applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003ePart number 139 is an engine piston ring set for standard-bore V8 engines that require a 4.000-inch bore and deep oil groove configuration. The ring package uses grey iron for the top and second rings, with phosphate surface treatment on both, while the oil control ring uses a steel rail and stainless expander with chrome treatment. This combination supports consistent ring sealing and oil control in older Ford, Chevrolet, GMC, Dodge, and Mercury engine platforms. Part number 139 is a direct match for many classic truck, van, and performance applications, including Ford F-250, Chevrolet C10, and Dodge D150 engine builds.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring compression in worn engine cylinders\u003c\/li\u003e\n\u003cli\u003eReducing oil consumption from ring wear\u003c\/li\u003e\n\u003cli\u003eAddressing blow-by caused by poor ring sealing\u003c\/li\u003e\n\u003cli\u003eReplacing damaged or fatigued piston rings during rebuilds\u003c\/li\u003e\n\u003cli\u003eSupporting proper oil control in deep-groove piston setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify cylinder bore size, groove dimensions, and ring end gap before installation. This part is listed for standard bore only, so confirm the engine has not been bored oversize. Follow the engine builder’s ring orientation and break-in procedures for the specific application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFitment data covers 2,000 vehicle applications across Ford, Chevrolet, GMC, Dodge, Mercury, Lincoln, Buick, Oldsmobile, Pontiac, and Plymouth platforms. This part cross-references Sealed Power (e.g., 272AP, 273AP) for the same application.\u003c\/p\u003e","brand":"BBTV","offers":[{"title":"Default Title","offer_id":53669306269877,"sku":"BBTV-139","price":35.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HA_139_Fro.jpg?v=1793686855","url":"https:\/\/www.partcatalog.com\/products\/bbtv-139-engine-piston-ring","provider":"PartCatalog","version":"1.0","type":"link"}