{"product_id":"rotating-assembly-kit-for-ls3-engines","title":"Rotating Assembly Kit for LS3 Engines","description":"The Eagle ESP-12934 is a high-performance rotating assembly kit engineered for LS3 engines, capable of supporting builds up to 900 horsepower. With an optional rod bolt upgrade, these kits can support over 1200 horsepower. The kit includes a robust 4340 forged steel crankshaft with a 3.622 stroke and Eagle 4340 forged steel H-beam rods fitted with 7\/16\" ARP 8740 rod bolts. Forged Mahle pistons with a flat-top design and -5.8cc dish are included, along with a performance ring set and premium rod and main bearings. This kit is supplied unbalanced and requires internal balancing before installation; a balanced kit (p\/n B12934) is available separately. The included components are designed to work with LS3\/L92 cylinder heads, yielding a compression ratio of 10.8:1 with 66cc heads and 10.4:1 with 72cc heads.","brand":"Eagle","offers":[{"title":"Default Title","offer_id":52687905292600,"sku":"ESP-12934","price":2563.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/663682205.jpg?v=1784887193","url":"https:\/\/store.motormia.co\/products\/rotating-assembly-kit-for-ls3-engines","provider":"MOTORMIA","version":"1.0","type":"link"}