{"product_id":"1972-1975-big-block-exhaust-manifold-left-hand-original-gm-used","title":"1972 - 1975 Big Block Exhaust Manifold Left Hand, Original GM Used","description":"\u003cb\u003e1972 - 1975 Big Block Exhaust Manifold Left Hand, Original GM Used\u003cbr\u003e\u003c\/b\u003e\u003cbr\u003eRare original GM exhaust manifold for your classic. This one is stamped with GM part number 3994045. Date Code is May 17, 1972. Exact fit for the left hand, drivers side. Will fit most all big block engines. This one does have the smog tube hole provisions.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePART NUMBER: 3994045-W\u003c\/b\u003e","brand":"PART # 3994045-W","offers":[{"title":"Default Title","offer_id":46683301413022,"sku":"3994045-W","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6591\/5550\/files\/3994045-W-2.jpg?v=1775678285","url":"https:\/\/musclecarcentral.com\/products\/1972-1975-big-block-exhaust-manifold-left-hand-original-gm-used","provider":"Muscle Car Central","version":"1.0","type":"link"}