Big Block Chevy

BB Chevrolet Intake Manifold Gasket SM-108 with Hole in Top

 396 - 454 Mark IV Big Block Chevrolet Port Style: Rectangular Port Height (in): 2.625 in. Port Width (in): 1.875 in. Gasket Material: Composition with Silicone Bead Thickness (in): 1/16 Water Crossover Style: Open Quantity: Sold as a set...

BBC Rectangular Port Intake Gaskets SM-121 wo/top bolt holes 1.750 W x 2.520 H with Silicone Bead

 396 - 454 Mark IV Big Block Chevrolet  Port Style: Rectangular Port Height (in): 2.520 in. Port Width (in): 1.750 in. Gasket Material: Composition with Silicone Bead Thickness (in): 1/16 Water Crossover Style:...

BBC Retangular Port Intake Gasket SM-122 wo/top Bolt holes 1.875 W x 2.625 H 1/8 Thick with Silicone Bead

 396 - 454 Mark IV Big Block Chevrolet Port Style: Rectangular Port Height (in): 2.625 in. Port Width (in): 1.875 in. Gasket Material: Composition with Silicone Bead Thickness (in): 1/8 Water Crossover Style: Open Quantity: Sold as a set...

BBC Oval Port Intake Gasket SM-107 w/top bolt holes 1.750W x 2.125 H 1/16 Thick with Silicone Bead

   396 - 454 Mark IV Big Block Chevrolet   Port Style: Oval   Port Height (in): 2.125 in.   Port Width (in): 1.750 in.   Gasket Material: Composition with Silicone Bead   Thickness (in): 1/16   Water...