{"product_id":"1989-1998-cummins-103lb-valve-springs-w-retainers-07-s-002","title":"1989-1998 Cummins 5.9L Hamilton Cams 103LB Valve Springs w\/ Retainers (07-s-002)","description":"\u003cp\u003e\u003cstrong\u003e1989-1998 Cummins 5.9L Hamilton Cams 103LB Valve Springs w\/ Retainers (07-s-002)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Spring Kit – Made in the USA, Includes Retainers \u0026amp; 10° Locks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen higher RPM, greater valve lift, stiffer spring pressures, and larger valve sizes exceed a single spring’s capabilities, it’s time to upgrade to a dual spring setup. Our American-made Dual Valve Springs provide the extra control you need, maintaining precise valvetrain motion and safeguarding against valve float.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced Valve Control: Eliminate the risk of valve float in high-stress, high-lift applications.\u003c\/li\u003e\n\u003cli\u003eAll-Inclusive Kit: Comes complete with retainers and 10° locks, ensuring a secure fit and simplified installation.\u003c\/li\u003e\n\u003cli\u003eHigh Lift Compatibility: Engineered for up to .700″ lift—be sure your machine shop sets the correct installed height.\u003c\/li\u003e\n\u003cli\u003eDIY Valve Seal Upgrade:\u003c\/li\u003e\n\u003cli\u003eYou can run these springs without valve stem seals, or\u003c\/li\u003e\n\u003cli\u003eModify your head to use Comp Cams 519-16 seals by employing a Howards Cams Cutter (part #92035)and 5\/16″ arbor (#92085).\u003c\/li\u003e\n\u003cli\u003eThe modification is quick and easy—usually under five minutes with a cordless drill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStep up to our Dual Valve Spring Kit for confident, stable valvetrain control in any high-performance diesel build. Whether you’re pushing higher RPM, boosting valve lift, or running more aggressive cams, these springs keep your engine on track for maximum power and reliability.\u003c\/p\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":50620289909022,"sku":"07-s-002","price":954.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/Product_Image_-_2026-01-16T100831.714.png?v=1771369476","url":"https:\/\/platinumhpsolutions.myshopify.com\/fr\/products\/1989-1998-cummins-103lb-valve-springs-w-retainers-07-s-002","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}