{"product_id":"sierra-exhaust-manifold-18-1957-1-18-1957-2","title":"SIERRA EXHAUST MANIFOLD 18-1957-1 18-1957-2","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":48989925834907,"sku":"SIE18-1957-2","price":539.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/9742\/0187\/files\/704903.jpg?v=1784110331","url":"https:\/\/grmotorcycle.com\/products\/sierra-exhaust-manifold-18-1957-1-18-1957-2","provider":"GR Motorcycle","version":"1.0","type":"link"}