{"product_id":"3-8l-v6-4340-forged-crankshaft-3-400-stroke","title":"3.8L V6 4340 Forged Crankshaft 3.400\" Stroke","description":"The Eagle 4340 forged steel crankshaft is engineered for Buick 3.8L V6 applications, offering a 3.400\" stroke and internal balance. It is constructed from a non-twist forging of SAE 4140 steel, subjected to a multi-stage heat treatment for maximum strength and longevity.\n\nThis crankshaft features micro-polished journals with a 3 R.A. or better finish, and .125\" fillet radiuses to improve overall strength and rigidity. The surface treatment includes shot-peening, stress-relief, and nitriding for superior durability. Chamfered bearings are required for proper installation and function. The target bobweight is guaranteed within a -\/+ 2% tolerance, with an approximate weight of 47 pounds.\n\nSpecifics for this crankshaft include 2.499\" main journals and 2.248\" rod journals, designed to work with a 5.967\" rod length. It utilizes a 2-piece rear main seal for reliable sealing.","brand":"Eagle","offers":[{"title":"Default Title","offer_id":52687904047416,"sku":"ESP-423134005967","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/664194928.jpg?v=1784887183","url":"https:\/\/store.motormia.co\/products\/3-8l-v6-4340-forged-crankshaft-3-400-stroke","provider":"MOTORMIA","version":"1.0","type":"link"}