{"product_id":"beehive-ls-valve-springs-hat-seals","title":"Beehive LS Valve Springs \u0026 Hat Seals","description":"The Michigan Motorsports .550\" Lift Beehive LS Valve Springs \u0026amp; Hat Seals are engineered for performance LS and Gen V LT engines. Designed to handle aggressive cam profiles with up to .550\" of lift, these springs are ideal for street\/strip and boosted applications demanding superior valvetrain stability. The aggressive beehive design effectively reduces mass, enhances harmonics, and increases spring efficiency, particularly at higher RPMs, ensuring optimal control in performance engines.\n\nThese springs offer a direct-fit replacement for GM part #12713265, installing without modification on LS1, LS2, LS3, LS6, LQ4, and LQ9 cylinder heads. They feature an optimized seat pressure of 90 lbs at 1.800\" installed height and a spring rate of 295 lb\/in, preventing coil bind and float for reliable performance. The kit includes 16 integrated valve stem seals and spring locators, providing excellent oil control and top-end reliability even under demanding conditions.\n\nThis kit is designed for universal fitment across a range of LS engines, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L displacements.","brand":"Michigan Motorsports","offers":[{"title":"Default Title","offer_id":52689107386680,"sku":"E8100+H7100","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687383370.jpg?v=1784902000","url":"https:\/\/store.motormia.co\/products\/beehive-ls-valve-springs-hat-seals","provider":"MOTORMIA","version":"1.0","type":"link"}