Sierra 18-1929 ManifoldSierra high-quality starboard manifold.Interchangeable with: Barr; CR-1-97992; Crusader; 97992; 97114; Mallory; 9-40416; Osco; 7992; Use with: 18-0418: Exhaust Manifold Mounting Gasket; 18-8524: Exhaust Manifold Mounting Kit; 18-0305: Exhaust Elbow Gasket; 18-0601: Exhaust Manifold Gasket Set; 18-1916: Riser; 18-1918: Elbow; 18-1927: Riser; 18-1928: Elbow w/ 4" Outlet; 18-1934: Elbow w/ 3" Outlet; 18-8112: Fuel Elbow;