{"product_id":"3-75-inch-stroke-crankshaft-350-mains-two-piece-rear-main","title":"3.75-Inch Stroke Crankshaft, 350 Mains, Two-Piece Rear Main","description":"The Speedway 383 Chevy Crankshaft is a new, high-tech crankshaft built for durability, utilizing fatigue-resistant 80-60-06 cast steel with an endurance level near that of forged steel. This crankshaft is engineered with a 3.750-inch stroke and 350 mains, featuring a two-piece rear main seal style and external balance.\n\nDesigned for 383 cubic inch Chevy applications, this crankshaft boasts all journals ground and polished to exacting tolerances, ensuring superior quality at a competitive price. It is constructed from cast steel, with main journal diameters of 2.448 inches and rod journal diameters of 2.100 inches.\n\nCustomers have praised this crankshaft for its outstanding quality, precision, and value. Reviews highlight the perfect machining of all journals and spot-on clearances, confirming its excellent fit and function. It's noted for living up to its reputation and surpassing competitors in quality, even those at higher price points. While bolts are not included, the overall consensus is the crank's superiority.\n\nThis crankshaft is intended for race or off-road use, or for installation on vehicles pre-1966. Please note that all crankshafts must be balanced for their rotating assembly by a qualified engine machine shop before installation and use.","brand":"Speedway","offers":[{"title":"Default Title","offer_id":52663778738488,"sku":"91515383","price":318.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687713034.jpg?v=1784329533","url":"https:\/\/store.motormia.co\/products\/3-75-inch-stroke-crankshaft-350-mains-two-piece-rear-main","provider":"MOTORMIA","version":"1.0","type":"link"}