{"product_id":"katech-lt4-exhaust-valve-spring-replacement-seat","title":"Katech LT4 Exhaust Valve Spring Replacement Seat","description":"\u003ch2\u003eKatech LT4 Exhaust Valve Spring Replacement Seat\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003e\u003cem\u003eReplacement Spring Seat for LT4 Exhaust Valves with Compatible PSI Valve Springs.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe Katech LT4 Exhaust Valve Spring Replacement Seat is designed for the exhaust side of LT4 cylinder heads using PSI-LS1511 or PSI-LS1516 valve springs. It provides an individual service component for a compatible exhaust valvetrain assembly.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDesigned for LT4 Exhaust Valve Applications\u003c\/li\u003e \u003cli\u003eIndividual Replacement Component for Valvetrain Service\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 Valve Spring Seat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e LT4 Cylinder Heads\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpring Compatibility:\u003c\/strong\u003e PSI-LS1511 and PSI-LS1516 Valve Springs\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eOne Replacement Exhaust Valve Spring Seat — Sold Individually\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eValve springs, valve seals, retainers, and valve locks are not included.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eInstallation Quantity:\u003c\/strong\u003e Eight seats are required for a complete compatible LT4 exhaust valve installation.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eFitment \u0026amp; Installation Notes\u003c\/h3\u003e \u003cp\u003eConfirm that the replacement matches the existing cylinder head and exhaust valvetrain configuration before installation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify Valve Guide Boss and Spring Seat Dimensions\u003c\/li\u003e \u003cli\u003eConfirm Valve Seal Fit and Clearance\u003c\/li\u003e \u003cli\u003eCheck Spring Installed Height and Spring Pressures\u003c\/li\u003e \u003cli\u003eVerify Coil Bind Clearance at Maximum Valve Lift\u003c\/li\u003e \u003cli\u003eCheck Retainer-to-Seal and Retainer-to-Guide Clearance\u003c\/li\u003e \u003cli\u003eInspect Related Valvetrain Components During Replacement\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eWhy Choose Katech\u003c\/h3\u003e \u003cp\u003eThe Katech LT4 Exhaust Valve Spring Replacement Seat supports servicing a compatible exhaust-side spring package without purchasing a complete set. Katech Technical Sales can help confirm the correct seat for your cylinder head configuration.\u003c\/p\u003e \u003chr\u003e \u003cp\u003eFor LT4 exhaust spring seat 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":47875080290460,"sku":"KAT-6931","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/M198643199.jpg?v=1791938587","url":"https:\/\/daroracing.com\/products\/katech-lt4-exhaust-valve-spring-replacement-seat","provider":"Daro Racing","version":"1.0","type":"link"}