Check the listing for details. Mercruiser Exhaust manifold Elbow Riser Gasket Dry Joint 4.3 5.0 5.7 6.2 closed. Condition: New. Listed at 39.50 USD. ONE new MADE IN USA riser/elbow gaskets for Mercruiser dry-joint manifolds with closed cooling. Description: Dry joint gasket for closed cooling system. For Closed cooling with blocked off gasketFits: GM V-6 & V-8 engines with dry joint exhaust manifold (2002 & newer)Fits: 4.3L, 5.0L, 5.7L, 6.2L utilizing the Dry Joint Manifold and Riser and closed cooling systemReplaces Sierra part number 18-0720 Replaces 27-864549 A02, 27-864549A02, 27-864549A1 FAST USPS SHIPPING SEE MY OTHER LISTINGS FOR A TWO PACK OF THESE GASKETSONE new MADE IN USA riser/elbow gaskets for Mercruiser dry-joint manifolds with closed cooling. Description: Dry joint gasket for closed cooling system. For Closed cooling with blocked off gasketFits: GM V-6 & V-8 engines with dry joint exhaust manifold (2002 & newer)Fits: 4.3L, 5.0L, 5.7L, 6.2L utilizing the Dry Joint Manifold and Riser and closed cooling systemReplaces Sierra part number 18-0720 Replaces 27-864549 A02, 27-864549A02, 27-864549A1 FAST USPS SHIPPING SEE MY OTHER LISTINGS FOR A TWO PACK OF THESE GASKETS