Composite Intake Manifold Gasket Set 1253-1 FE1253-1 Suit Ford SVO M6049-C3 Head 1.35" x 1.95" (.030") FORD SVO YATES INTAKE GASKETS Fel-Pro composite race intake gaskets are designed to deliver excellent sealing while permitting easy trimming to match modified port shapes. These gaskets are available in various thicknesses to compensate for cylinder head and manifold variations.