{"product_id":"sealed-power-e-377x-engine-piston-ring-set","title":"Sealed Power E-377X Engine Piston Ring Set","description":"\u003ch2\u003eOverview of Sealed Power Engine Piston Ring Set E-377X\u003c\/h2\u003e\u003cp\u003eThe Sealed Power E-377X engine piston ring set is designed for reliable performance in a variety of GM vehicles, including Chevrolet, GMC, Buick, and Cadillac models. This set is engineered to meet standard size specifications with precise dimensions to ensure optimal engine efficiency and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStandard size piston ring set with 4.0000 inch outside diameter and bore size\u003c\/li\u003e\n\u003cli\u003eTop ring made of grey iron with phosphate coating featuring a barrel face design\u003c\/li\u003e\n\u003cli\u003eSecond ring constructed from grey iron with phosphate coating and reverse torsional face design\u003c\/li\u003e\n\u003cli\u003eOil ring is a 3-piece flex vent design with 3\/16 inch width for effective oil control\u003c\/li\u003e\n\u003cli\u003eCompatible with 8-cylinder engines across multiple GM makes and models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThe E-377X piston ring set includes three rings per cylinder with groove widths of 5\/64 inch for the top and second rings, and 3\/16 inch for the oil ring. The top ring has a radial wall thickness of 0.191 inches, providing a durable seal under high pressure. The second ring’s reverse torsional face design helps reduce blow-by and improve compression. The oil ring’s 3-piece flex vent design enhances oil scraping and distribution, reducing oil consumption and improving engine cleanliness.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis piston ring set is compatible with a wide range of GM vehicles equipped with 8-cylinder engines and a 4.0000 inch bore diameter. It fits models such as the Chevrolet Blazer, Camaro, Caprice, and Corvette; GMC Sierra and Yukon; Buick LeSabre and Century; Cadillac Brougham and DeVille; Pontiac Firebird and Grand Prix; and various trucks including C1500, K1500, and Suburban variants. The part number E-377X ensures correct fitment for these applications.\u003c\/p\u003e\u003ch2\u003eCommon Engine Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduced compression due to worn or damaged piston rings\u003c\/li\u003e\n\u003cli\u003eExcessive oil consumption from ineffective oil ring sealing\u003c\/li\u003e\n\u003cli\u003eIncreased blow-by causing engine performance loss\u003c\/li\u003e\n\u003cli\u003eEngine smoking related to poor ring sealing\u003c\/li\u003e\n\u003cli\u003eUneven wear on cylinder walls impacting engine longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Sealed Power E-377X piston ring set requires careful attention to ring orientation and proper gap setting. The top ring’s barrel face should be installed facing upward, and the second ring’s reverse torsional face must be positioned correctly to optimize sealing. Ensure the cylinder bore is clean and within specification before installation. File fitting is not required as this is a standard size set. Use appropriate ring compressors and follow manufacturer torque specifications during assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eSealed Power piston rings are manufactured to meet OEM standards for material composition and dimensional accuracy. The E-377X set undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against defects in materials and workmanship, providing confidence in long-term engine reliability.\u003c\/p\u003e","brand":"Sealed Power","offers":[{"title":"Default Title","offer_id":44495889662133,"sku":"BDBR-E-377X","price":82.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SE_E377X_Top_433a163f-e987-4b6e-84b6-a6dbd86ecaa9.jpg?v=1775021055","url":"https:\/\/www.partcatalog.com\/products\/sealed-power-e-377x-engine-piston-ring-set","provider":"PartCatalog","version":"1.0","type":"link"}