{"product_id":"katech-extreme-duty-h13-tool-steel-dual-valve-spring-replacement-retainer","title":"Katech LS\/LT Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer","description":"\u003ch2\u003eKatech LS\/LT Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003e\u003cem\u003eIndividual Hardened H13 Tool Steel Retainer for Compatible PSI Dual Valve Spring Packages.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe Katech LS\/LT Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer is engineered and manufactured by Katech Engineering in Clinton Township, Michigan, USA. Designed for PSI-LS1512 and PSI-LS1513 dual valve springs in compatible LS, LT1, and L83 valvetrain packages, its hardened H13 tool steel construction provides increased long-term wear resistance compared with titanium retainers in evaluated Katech camshaft packages.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSold Individually.\u003c\/strong\u003e Each purchase includes one Katech LS\/LT Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer.\u003c\/p\u003e \u003cp\u003eKatech developed this retainer on its Spintron valvetrain dynamics test cell for demanding racing conditions. Steel valve springs can wear into titanium retainer contact surfaces over time; this H13 tool steel design provides an alternative where spring-contact wear and service life are important considerations.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIndividual Replacement Retainer for Compatible Dual Valve Spring Packages\u003c\/li\u003e \u003cli\u003eHardened H13 Tool Steel Construction\u003c\/li\u003e \u003cli\u003eDesigned for PSI-LS1512 and PSI-LS1513 Dual Valve Springs\u003c\/li\u003e \u003cli\u003eDeveloped Using Katech's Spintron Valvetrain Dynamics Test Cell\u003c\/li\u003e \u003cli\u003eIncreased Long-Term Wear Resistance Compared with Titanium Retainers in Evaluated Katech Packages\u003c\/li\u003e \u003cli\u003e13.8-Gram Weight per Retainer\u003c\/li\u003e \u003cli\u003eSold Individually for Replacement Applications\u003c\/li\u003e \u003cli\u003eProudly Engineered and Manufactured by Katech Engineering in Clinton Township, Michigan, USA\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cimg src=\"\/files\/images\/katech-made-in-america.png\" alt=\"Proudly Made in America\" width=\"300\" height=\"64\"\u003e\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Replacement Dual Valve Spring Retainer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One Retainer; Sold Individually\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hardened H13 Tool Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatible Valve Springs:\u003c\/strong\u003e PSI-LS1512 and PSI-LS1513 Dual Springs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetainer Weight:\u003c\/strong\u003e 13.8 Grams\u003c\/li\u003e \u003cli\u003eEngine Applications: Compatible LS, LT1, and L83 Packages\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eOne Replacement Retainer\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eRetainer Weight Comparison\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReferenced OEM Retainer:\u003c\/strong\u003e 11.4 Grams\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKatech H13 Tool Steel Retainer:\u003c\/strong\u003e 13.8 Grams\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eValve Spring Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePSI-LS1512 Dual Valve Springs\u003c\/li\u003e \u003cli\u003ePSI-LS1513 Dual Valve Springs\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFor replacement use, confirm that the retainer matches the existing valvetrain package. Verify valve stem, valve lock, spring, and installed-height compatibility before installation.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eImportant Installation Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConfirm That the Replacement Matches the Existing Retainer Configuration\u003c\/li\u003e \u003cli\u003eUse with the Specified Compatible Dual Valve Springs\u003c\/li\u003e \u003cli\u003eInspect the Valve Spring and Locks for Wear or Damage During Replacement\u003c\/li\u003e \u003cli\u003eVerify Valve Lock and Valve Stem Compatibility\u003c\/li\u003e \u003cli\u003eCheck Spring Installed Height and Spring Pressures\u003c\/li\u003e \u003cli\u003eVerify Coil Bind and Retainer-to-Seal Clearance at Maximum Valve Lift\u003c\/li\u003e \u003cli\u003eMatch the Complete Valvetrain to the Camshaft and Intended Operating Range\u003c\/li\u003e \u003cli\u003eInspect Retainers and Related Components at Appropriate Service Intervals\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eWhy Choose Katech\u003c\/h3\u003e \u003cp\u003eThe Katech LS\/LT Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer allows an individual component to be purchased for servicing a compatible valvetrain package. Its development focused on the balance between retainer weight and spring-contact wear resistance under demanding racing conditions.\u003c\/p\u003e \u003cp\u003eKatech's Spintron testing and Daytona course simulation evaluated the design as part of complete valvetrain combinations, helping guide its application alongside the specified PSI dual springs.\u003c\/p\u003e \u003chr\u003e \u003cp\u003eFor replacement selection and valvetrain compatibility questions, contact .\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"\/files\/prop-65-warning.jpg\" alt=\"Prop 65 Warning\"\u003e\u003c\/p\u003e","brand":"Katech","offers":[{"title":"Default Title","offer_id":47875135373468,"sku":"KAT-7715","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/M198643804.jpg?v=1792260886","url":"https:\/\/daroracing.com\/products\/katech-extreme-duty-h13-tool-steel-dual-valve-spring-replacement-retainer","provider":"Daro Racing","version":"1.0","type":"link"}