{"product_id":"4-250-stroke-forged-4340-steel-crankshaft","title":"4.250\" Stroke Forged 4340 Steel Crankshaft","description":"The Eagle Specialty Products CRS-445542506700 crankshaft is a high-strength, forged 4340 steel component engineered for Pontiac 455 engines. With a 4.250\" stroke and 2.200\" rod journals, this internally balanced crankshaft is designed to withstand the rigors of racing applications. It features a non-twist forging and .125\" fillet radiuses for enhanced strength, requiring chamfered or narrowed bearings. The surface is nitrided and micropolished to under 2 RA for superior durability.\n\nKey specifications include 3.25\" main journals, a minimum rod length of 6.700\", and a typical weight of 73 lbs. The rear seal diameter is 'call' for details, while the snout diameter is 1.373\", with 6 flywheel bolts, a 1.383\" pilot bore diameter, and a 2.75\" flywheel register diameter. The advertised target bobweight is 2280g.\n\nImportant note: This crankshaft must be balanced to match your specific rods and pistons. Additionally, all items from Eagle Specialty Products are not for use in pollution-controlled vehicles.","brand":"Eagle Specialty Products","offers":[{"title":"Default Title","offer_id":52872891859256,"sku":"EAG445542506700","price":1465.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/4-250-stroke-forged-4340-steel-crankshaft","provider":"MOTORMIA","version":"1.0","type":"link"}