{"product_id":"fmbp-55058-engine-oil-pressure-relief-valve-spring","title":"FMBP 55058 Engine Oil Pressure Relief Valve Spring","description":"\u003ch2\u003eEngine Oil Pressure Relief Valve Spring\u003c\/h2\u003e\u003cp\u003eMelling 55058 is a performance oil pressure relief valve spring for applications that require a specific oil pump pressure setting. It is built from steel and machined to exacting tolerances to help maintain the advertised pressure target in compatible oil pump setups.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for consistent spring performance\u003c\/li\u003e\n\u003cli\u003ePerformance grade replacement spring\u003c\/li\u003e\n\u003cli\u003ePush-type spring design\u003c\/li\u003e\n\u003cli\u003e58.0 spring force specification\u003c\/li\u003e\n\u003cli\u003eUsed with Melling oil pumps listed in the fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Melling 55058 oil pressure relief valve spring is intended for builders and repair work where oil pump pressure needs to be set to a defined specification. Melling states that this replacement spring matches the same quality standards used in its manufactured oil pumps and is produced to tight tolerances so the resulting pressure remains on target. This makes it a practical choice for Chevrolet and GMC engine builds that use the listed oil pump applications, including many classic and late-model truck, van, and performance platforms. The 55058 part number is commonly searched alongside Melling 55058 for pressure-control service in compatible oil pump assemblies.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring oil pump pressure to the specified range\u003c\/li\u003e\n\u003cli\u003eReplacing a fatigued or inconsistent relief spring\u003c\/li\u003e\n\u003cli\u003eSupporting pressure changes during engine rebuilds\u003c\/li\u003e\n\u003cli\u003eAddressing low or unstable oil pressure caused by spring wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall only in the oil pump applications listed in the fitment data, and verify the pump part number before assembly. The fitment notes specify use with Melling 10550ST, 10551ST, 10553ST, and 10554ST oil pumps. Confirm the spring force requirement during engine service, and follow the oil pump manufacturer’s assembly procedure for proper pressure control. Fits 2003-1957 Chevrolet and GMC applications as listed in the fitment table, with the exact model and year combinations shown for each row.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling positions this spring as a precision replacement component made to exact tolerances for correct pressure output. The Performance line identifies it as a performance-grade part for pressure-specific oil pump service.\u003c\/p\u003e","brand":"FMBP","offers":[{"title":"Default Title","offer_id":53721565298869,"sku":"FMBP-55058","price":17.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_55058_Kit.jpg?v=1794122043","url":"https:\/\/www.partcatalog.com\/products\/fmbp-55058-engine-oil-pressure-relief-valve-spring","provider":"PartCatalog","version":"1.0","type":"link"}