Compare Maximum number of 4 items selected Fel-Pro High Performance Round Port Composite Intake Manifold Gasket - 12603 Part #: 12603 Line: FEL Fel-Pro High Performance Round Port Composite Intake Manifold Gasket 1 Year Limited Warranty Material: Composite Port Shape: Round Thickness (in): 0.060 Inch Port Size (in): 0.075 Inch Engine Make/Size: Chrysler V8 Racing Big Block Show More Show Less