{"product_id":"bcbc-v1340-engine-exhaust-valve","title":"BCBC V1340 Engine Exhaust Valve","description":"\u003ch2\u003eEngine Exhaust Valve Overview\u003c\/h2\u003e\u003cp\u003eThe Melling V1340 is a standard replacement engine exhaust valve built for select classic GM applications. It combines steel construction, a coated finish, and precise dimensions to support consistent sealing and heat management in the valve train.\u003c\/p\u003e\u003cp\u003eFits 1973-1977 Oldsmobile Omega, N\/A. Fits 1975-1980 Buick LeSabre, N\/A. Fits 1975-1977 Buick Century, N\/A. Fits 1975-1977 Buick Regal, N\/A. Fits 1975-1976 Buick Skylark, N\/A. Fits 1975 Buick Apollo, N\/A. Fits 1976-1980 Buick Electra, N\/A. Fits 1977-1978 Buick Riviera, N\/A. Fits 1978-1980 Buick Estate Wagon, N\/A. Fits 1975-1980 Pontiac Bonneville, N\/A. Fits 1978-1980 Pontiac Catalina, N\/A. Fits 1978-1980 Pontiac Laurentian, N\/A. Fits 1975-1976 Pontiac Ventura, N\/A. Fits 1975 Pontiac Firebird, N\/A. Fits 1975 Pontiac Grand Am, N\/A. Fits 1975 Pontiac Grand LeMans, N\/A. Fits 1975 Pontiac LeMans, N\/A.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel valve construction for exhaust-side durability.\u003c\/li\u003e\n\u003cli\u003eCoated finish for added surface protection.\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for service work and rebuilds.\u003c\/li\u003e\n\u003cli\u003e45-degree seat angle for proper valve seating geometry.\u003c\/li\u003e\n\u003cli\u003e1.55 in. valve head diameter, 5.016 in. overall length, and 0.372 in. stem diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMelling V1340 exhaust valve is engineered for applications that require accurate valve timing, dependable sealing, and resistance to exhaust heat. The steel body and coated finish support long-term service in engines that need a direct replacement exhaust valve with controlled dimensions and consistent fit. This part number, V1340, is listed for a range of Buick, Pontiac, and Oldsmobile models from the 1970s and early 1980s, including Buick LeSabre, Pontiac Bonneville, and Oldsmobile Omega applications. The V1340 is also cross-referenced to select interchange numbers for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or heat-damaged exhaust valve.\u003c\/li\u003e\n\u003cli\u003eRestoring compression loss caused by poor valve sealing.\u003c\/li\u003e\n\u003cli\u003eAddressing exhaust valve wear during engine rebuilds.\u003c\/li\u003e\n\u003cli\u003eCorrecting valve train issues tied to stem or head wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify valve head diameter, stem diameter, length, and seat angle before installation. Match the valve to the cylinder head and guide dimensions specified for the engine. Professional machine work is recommended during rebuilds to confirm seat condition and proper valve sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling states that this valve is made in the USA and produced with precision manufacturing methods and selected alloy materials for durable performance. The V1340 is built to meet the specifications expected for standard replacement service.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53725582491829,"sku":"BCBC-V1340","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_V1340_Fro.jpg?v=1794204325","url":"https:\/\/www.partcatalog.com\/products\/bcbc-v1340-engine-exhaust-valve","provider":"PartCatalog","version":"1.0","type":"link"}