1st Design Intake Manifold Gasket(s) Not Included with 0.605 (in) Valve Guide Outside Diameter Premium Valve Stem Seals Included
1981 Oldsmobile 98 equipped with 4.1L V6 Gas OHV
1st Design Intake Manifold Gasket(s) Not Included with 0.605 (in) Valve Guide Outside Diameter Premium Valve Stem Seals Included