NEW PRICE, $495.00 with free shipping, USA only. 54 Roadmaster exhaust manifold, pair, these were from a 4 barrel 322 engine. they are in perfect condition with no damage, as evidenced by the pictures, the riser is free. The shipping is on me, USA only. 1954-Buick-Roadmaster-exhaust-manifolds-pair-322-4-barrel-nailhead-excellent" ; X Details about 1954 Buick Roadmaster exhaust manifolds, pair, 322-4 barrel nailhead-excellent