{"product_id":"manley-gm-ls-series-660in-max-lift-valve-spring-and-retainer-kit-1","title":"Manley .660in Max Lift Valve Spring and Retainer Kit fits GM LS Series","description":"Manley Performance LS \u0026amp; LT NexTek? valve spring kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these all-inclusive kits, featuring premium springs, retainers, I.D. locators, locks, and Viton? seals.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44491866505423,"sku":"MAN26362334KS","price":548.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4164\/7055\/files\/Manley-GM-LS-Series-660in-Max-Lift-Valve-Spring-an-1758665562.webp?v=1758665563","url":"https:\/\/www.cimotorsports.com\/products\/manley-gm-ls-series-660in-max-lift-valve-spring-and-retainer-kit-1","provider":"CI Motorsports","version":"1.0","type":"link"}