{"product_id":"bcbc-vs-450-engine-valve-spring-outer","title":"BCBC VS-450 Engine Valve Spring - Outer","description":"\u003ch2\u003eEngine Valve Spring Overview\u003c\/h2\u003e\u003cp\u003eThe Melling VS-450 is a standard replacement engine valve spring built for stock and performance applications. It uses corrosion-resistant steel and a single-spring design with 140 lb open pressure, making it a fitment-focused choice for classic Pontiac and Buick V8 applications.\u003c\/p\u003e\u003cp\u003eCompatible With Pontiac and Buick engines in outer valve spring positions, this part number VS-450 is listed across a wide range of street and performance-era applications. The VS-450 is also cross-referenced to several equivalent part numbers for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCorrosion-resistant steel construction for durable service.\u003c\/li\u003e\n\u003cli\u003eSingle-spring design for standard replacement use.\u003c\/li\u003e\n\u003cli\u003e140 lb open pressure for controlled valve operation.\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for stock-style service.\u003c\/li\u003e\n\u003cli\u003eFits outer valve spring applications across multiple Pontiac and Buick models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMelling positions the VS-450 within its Stock line as a standard replacement valve spring for street, OEM-style, and performance use. The spring is specified with a 1.05-inch inside diameter, 1.39-inch outside diameter, 1.134-inch open height, and 0.99-inch coil bind height, giving buyers the dimensional data needed for engine build planning. Part number VS-450 is listed for outer valve spring applications on classic Pontiac and Buick engines, including use notes such as stock, use with MTP-1 camshaft, and exceptions for Ram Air or manual transmission configurations where noted.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 32-814, 050-814) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or fatigued valve spring in a compatible engine build.\u003c\/li\u003e\n\u003cli\u003eRestoring valve control in stock-style or mild performance applications.\u003c\/li\u003e\n\u003cli\u003eAddressing weak spring pressure that can affect valve train stability.\u003c\/li\u003e\n\u003cli\u003eSupporting camshaft setups that call for a standard outer spring specification.\u003c\/li\u003e\n\u003cli\u003eMatching original-style service requirements on classic Pontiac and Buick engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify valve spring dimensions, installed height, and camshaft requirements before installation. Fitment notes vary by application, including MTP-1 camshaft usage, Ram Air exclusions, and manual transmission exclusions on certain Pontiac models. Confirm the outer position and engine configuration before ordering part number VS-450.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling offers the VS-450 as part of its Stock line, covering standard, mid-range, heavy-duty, and race-ready spring applications. The brand’s valve spring range is built to serve street, OEM, drag race, and circle track requirements with multiple spring designs and material options.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53725648912565,"sku":"BCBC-VS-450","price":15.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_VS450_Ang.jpg?v=1794205648","url":"https:\/\/www.partcatalog.com\/products\/bcbc-vs-450-engine-valve-spring-outer","provider":"PartCatalog","version":"1.0","type":"link"}