{"product_id":"sierra-exhaust-manifold-18-1957-1-18-1957-2-18-1957-2","title":"Sierra Exhaust Manifold 18-1957-1","description":"Port \u0026amp; Starboard \u003cbr\u003e Replaces: 89011A8, 807078A6 \u003cbr\u003e 454 Engine Cubic Inches\u003cbr\u003e Fits most Mercruiser (GM) V-8 big blocks with center riser\u003cbr\u003e Use with:\u003cbr\u003e Exhaust Manifold Gasket: 18-0418\u003cbr\u003e Mounting Kit: 18-8532","brand":"Sierra","offers":[{"title":"Default Title","offer_id":40839059636270,"sku":"18-1957-2","price":512.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0251\/9659\/3198\/files\/sierra-exhaust-manifold-18-1957-1driven-canadas-powersports-18-1957-2808282109875-9355668.jpg?v=1761797431","url":"https:\/\/www.drivenpowersports.ca\/fr\/products\/sierra-exhaust-manifold-18-1957-1-18-1957-2-18-1957-2","provider":"Driven Powersports Inc.","version":"1.0","type":"link"}