Sierra Head Gasket Set Special Order est. 10 Days; For use on Chevy V-8 305/5.0L Gen II (Right Hand Rotation) 1 Piece Rear Seal; Set contains: Description Part # Head Gasket 18-3876; 2BBL Carb Mounting Gasket 18-0994; 4BBL Carb Mounting Gasket 18-0463; 4BBL Carb Mounting Gasket 18-0462; Intake Manifold Gasket Set 18-0868; Valve Cover Gasket (2) 18-0664; Valve Stem Sals (8) 18-4024; Valve Stem Seals (16) 18-0518; Distributor Mounting Gasket 18-0874;