{"product_id":"fmbp-466354-engine-valve-spring","title":"FMBP 466354 Engine Valve Spring","description":"\u003ch2\u003ePerformance Valve Spring for GM V8 Builds\u003c\/h2\u003e\u003cp\u003eMelling 466354 is a performance engine valve spring built for street, strip, and circle track use. It uses chrome silicon construction and a single-spring design with hydraulic roller camshaft applications in mind.\u003c\/p\u003e\u003cp\u003eCompatible with a wide range of Chevrolet and GMC performance and classic truck applications, this spring is specified for builders who need controlled valve motion and stable seat and open pressures. The 466354 is a practical choice for Chevrolet Camaro, Chevrolet Chevelle, and GMC C1500 engine builds where spring selection matters.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChrome silicon material for performance-oriented valve train use\u003c\/li\u003e\n\u003cli\u003eSingle spring design for hydraulic roller camshaft setups\u003c\/li\u003e\n\u003cli\u003eInstalled height: 1.800 in. \/ 46.00 mm\u003c\/li\u003e\n\u003cli\u003eInstalled pressure: 94.0\u003c\/li\u003e\n\u003cli\u003eOpen pressure: 235.0\u003c\/li\u003e\n\u003cli\u003eCoil bind height: 1.141 in. \/ 29.00 mm\u003c\/li\u003e\n\u003cli\u003eSpring open height: 1.300 in. \/ 33.00 mm\u003c\/li\u003e\n\u003cli\u003eInside diameter: 0.866 in. \/ 22.00 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.220 in. \/ 31.00 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details\u003c\/h2\u003e\u003cp\u003eThis Melling valve spring is intended for performance engine builds that need a specific spring rate and geometry. It is listed for many Chevrolet and GMC V8 platforms, including Chevrolet Camaro, Chevrolet Chevelle, Chevrolet Corvette, GMC C1500, and related truck and van applications. Part number 466354 is also referenced in performance-oriented fitments that may require machining.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eValve float at higher engine speeds\u003c\/li\u003e\n\u003cli\u003eInconsistent valve control with performance camshaft profiles\u003c\/li\u003e\n\u003cli\u003eSpring pressure mismatch during engine assembly\u003c\/li\u003e\n\u003cli\u003eIncorrect installed height for a planned valvetrain setup\u003c\/li\u003e\n\u003cli\u003eNeed for a performance-grade replacement spring in a GM build\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify installed height, coil bind clearance, and spring pressure before final assembly. Fitment notes indicate machining may be required on listed applications, so measure the cylinder head and valvetrain components before installation. Confirm compatibility with the camshaft and rocker setup used in the engine build.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling offers a broad valve spring lineup covering standard, heavy-duty, and race-ready applications. Part number 466354 is part of the Performance line and is engineered for builders selecting a spring by pressure, height, and camshaft type rather than by a universal fit.\u003c\/p\u003e","brand":"FMBP","offers":[{"title":"Default Title","offer_id":53721565757621,"sku":"FMBP-466354","price":16.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_466354_Fro.jpg?v=1794122149","url":"https:\/\/www.partcatalog.com\/products\/fmbp-466354-engine-valve-spring","provider":"PartCatalog","version":"1.0","type":"link"}