{"product_id":"bcbc-v1811-engine-exhaust-valve","title":"BCBC V1811 Engine Exhaust Valve","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMelling V1811 is a standard replacement engine exhaust valve built for stock applications that require precise valve train dimensions and durable heat resistance. It is a steel exhaust valve with a coated finish, engineered for dependable sealing and consistent operation in a wide range of GM applications.\u003c\/p\u003e\u003cp\u003eCompatible with Chevrolet Impala, Chevrolet Malibu, Pontiac Grand Prix, and Buick Regal applications, this valve is specified for stock use across multiple model years. The V1811 part number is also referenced by several interchange numbers for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel exhaust valve construction for strength in high-temperature service\u003c\/li\u003e\n\u003cli\u003eCoated finish for added surface protection\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for stock engine builds\u003c\/li\u003e\n\u003cli\u003e45-degree seat angle for proper valve seating geometry\u003c\/li\u003e\n\u003cli\u003e1.425-inch valve head diameter and 0.313-inch stem diameter\u003c\/li\u003e\n\u003cli\u003e120.0 mm overall length for specified fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Melling V1811 exhaust valve is designed around OE-style dimensions and material selection for engines that need accurate valve control and reliable exhaust flow. Its steel construction, heat-resistant design, and coated surface support long service life in demanding combustion environments. This part number, V1811, is used across a broad range of Chevrolet, Pontiac, Buick, and Oldsmobile stock applications, including Chevrolet Impala, Pontiac Grand Prix, and Buick Regal models.\u003c\/p\u003e\u003cp\u003eMelling’s exhaust valve line focuses on precise manufacturing and material consistency, with selections available for OEM and performance-oriented vehicle applications. For buyers replacing a worn exhaust valve, V1811 provides the dimensional and material specifications needed for stock engine service.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBurnt or worn exhaust valve surfaces\u003c\/li\u003e\n\u003cli\u003eLoss of compression from poor valve sealing\u003c\/li\u003e\n\u003cli\u003eExhaust valve wear from heat and fatigue\u003c\/li\u003e\n\u003cli\u003eValve train service needs during engine repair\u003c\/li\u003e\n\u003cli\u003eStock replacement requirements for specified GM engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify valve head diameter, stem diameter, seat angle, and overall length before installation. This part is intended for stock applications listed in the fitment data, and the V1811 part number should be matched to the engine specification during service. Professional cylinder head inspection and proper valve seat preparation are recommended for best results.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling manufactures exhaust valves with precision engineering, superior-grade alloy selection, and advanced production processes to meet demanding engine specifications. The V1811 is built to deliver durable service in applications that require consistent heat resistance and fatigue strength.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53725606379701,"sku":"BCBC-V1811","price":22.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_V1811_FRO.jpg?v=1794204536","url":"https:\/\/www.partcatalog.com\/products\/bcbc-v1811-engine-exhaust-valve","provider":"PartCatalog","version":"1.0","type":"link"}