OMC 986991 0986991 986516 3.0L Exhaust Manifold 1990 GM 3.0L Non-HO PWS Models Exhaust Tubes The Part Number of Cylinder

The Part Number of Cylinder Head Cover 376813

Manufacturer Part Number: 48-42740A10

Volvo Penta / OMC Joint Venture 3868077 / 3850966 / 3856181 / 3857007 Cobra SX Sterndrive Upper Gearcase Unit

Mid-80's models to present only require 5

OMC 986991 0986991 986516 3.0L Exhaust Manifold 1990 GM 3.0L Non-HO PWS Models Exhaust Tubes The Part Number of CylinderPart Number(s) Included OMC 986991 0986991 986516 (Stamped) Exhaust manifold HOLLEY CARBURETOR MOUNTING General Application Compatibility Seemingly just found on 1990 3. 0L 302BMRPWS & 302BPRPWS Models (Ideally you want to be matching the stamped number on your existing manifold These were the Non H. O. Models with a cylinder head that has the ports that WERE NOT all the little squares in a straight line. This could likely replace the 986984 (stamped)