Exhaust Manifold Center Rise Big Block Crusader 7.4L & 8.2L | Barr Marine CR-1-98125 Direct replacement center rise exhaust manifold for Crusader 454 cu. in. & 502 cu. in. marine engines. Exhaust Manifold 7.4L & 8.2L Crusader Center Rise Big Block Exhaust Manifold 7.4L & 8.2L | Barr Marine CR-1-98125 Barr Crusader marine exhaust manifold Interchangeable between port and starboard side Heavy duty cast iron Painted Blue Includes gaskets, mounting hardware, and pipe plugs Replaces Crusader R028021A, 98125, 98125B and 98125R Replaces Osco 8125 Replaces Sierra 18-1982