{"product_id":"ls-408ci-rotating-assembly-with-forged-h-beam-connecting","title":"LS 408ci Rotating Assembly with Forged H-Beam Connecting","description":"The Summit Racing Pro LS rotating assembly is an engine-internal kit engineered to convert 6.0L GM LS-series engines into a 408 cubic-inch stroker configuration. The kit features 4340 forged steel H-beam connecting rods measuring 6.125 inches in length, paired with forged pistons designed for strength and reliability. The assembly includes premium components such as Chromium Steel wristpins and Spirolock retainers, utilizing ARP 2000 rod bolts to ensure the rotating assembly remains secure at higher RPMs and increased power outputs.\n\nThe rotating assembly is supplied with file-fit rings, requiring professional measurement and filing to achieve the precise end-gap clearances necessary for the specific cylinder bore. Installation requires careful inspection of bearing clearances and piston-to-wall tolerances to ensure optimal engine longevity and performance.","brand":"Pro","offers":[{"title":"Default Title","offer_id":52663347544376,"sku":"SUM-R24400308","price":2758.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687528888.jpg?v=1784326159","url":"https:\/\/store.motormia.co\/products\/ls-408ci-rotating-assembly-with-forged-h-beam-connecting","provider":"MOTORMIA","version":"1.0","type":"link"}