Sierra International 18-1903 Manifold For Gm Sb V8 Engines – Port Side

Sierra’S 18-1903 Manifold Is Designed For Use In Gm Small Block V8 (305-350 Cid) (1979-1989) Engines. Designed For Installation On The Port Side. Use With Sierra’S 18-1921 Manifold Elbow, 18-2949 Exhaust Manifold Gasket, 18-8502 Exhaust Manifold Mounting Kit, 18-2902-1 Exhaust Manifold Gasket, And 18-2902-1-9 Exhaust Manifold Gasket. The Manifold Comes With (1) Sierra 18-0943-2 Exhaust Elbow Gasket, (1) Sierra 18-2949 Exhaust Manifold Gasket, (1) Sierra 18-7306 Hose Clamp, And (1) Sierra 18-0550 Plug Off Cap. Interchangeable With Mallory 9-40601, Glm 51420, Barr Omc-1-912442, Osco 2442, And Omc Stern Drive 912442. Check Manufacturer Recommendations To Ensure A Proper Fit Before Purchasing. Each Sierra Product Meets Or Exceeds The Original Equipment Part It Replaces.