{"product_id":"cast-steel-crankshaft-4-250-stroke-external-balance-2-piece-rear-main-seal","title":"Cast Steel Crankshaft, 4.250\" Stroke, External Balance, 2-Piece Rear Main Seal","description":"The Speedmaster 1-276-021 crankshaft is constructed from durable cast steel, making it a reliable choice for Chevy BBC 454 applications. This crankshaft is precision-ground and micro-polished to exacting tolerances, ensuring optimal performance and longevity.\n\nKey specifications include a 4.250\" stroke, a 2-piece rear main seal design, and external balancing.\n\nSpeedmaster cast crankshafts are presented as a suitable option for enthusiasts looking to upgrade or rebuild their engine with quality components.","brand":"Chevy","offers":[{"title":"Default Title","offer_id":52687378645304,"sku":"1-276-021","price":370.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660684916.webp?v=1784883474","url":"https:\/\/store.motormia.co\/products\/cast-steel-crankshaft-4-250-stroke-external-balance-2-piece-rear-main-seal","provider":"MOTORMIA","version":"1.0","type":"link"}