Fel-Pro Performance Chev Small Block Intake Manifold Gasket Sets # 1286Gaskets, Manifold, Intake, 18 Degree, 2. 02 in. x 1. 31 in. Port, . 120 in. Thick, Chevy, Small Block, Set Port Height (in.): 2. 020 Port Width (in.): 1. 310 Thickness (in.): 0. 120 Port Style: 18 degree port Upper Intake Manifold Plenum Gasket Included: No Quantity: Sold as a set. Fel Pro Performance Intake Manifold Gasket Sets Most Fel Pro Performance intake manifold gaskets have Printoseal construction, which puts beads of special elastomers around