{"product_id":"4-000-stroke-crankshaft-w-gm-58x-reluctor","title":"4.000\" Stroke Crankshaft w\/ GM 58X Reluctor","description":"The Callies Ultra Billet crankshaft is engineered for the demanding Gen III\/Gen IV LS engine platforms, offering a robust 4.000\" stroke. Constructed from Timken 4330 alloy steel, this crankshaft is built for high-output applications. It features an Aero-Shed super finishing and Aero-Shed counterweight profiling for improved efficiency and reduced drag. The crankshaft is available with various main journal sizes including Standard LS, Iron Duke, and Ford Cleveland 351, and offers 6, 8, or 9 bolt pattern flange options. It also supports a wide range of rod sizes (1.850\" to 2.200\") and comes complete with no-drill balance. The GM 58X reluctor wheel ensures compatibility with modern LS engine management systems. Callies has developed this component as part of a wide range of options for the popular LS engine family, aiming to provide specialized characteristics for diverse project requirements.","brand":"Callies Performance Products","offers":[{"title":"Default Title","offer_id":52687310127416,"sku":"APO31AT-UL-58","price":4574.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661174543.jpg?v=1784882483","url":"https:\/\/store.motormia.co\/products\/4-000-stroke-crankshaft-w-gm-58x-reluctor","provider":"MOTORMIA","version":"1.0","type":"link"}