Fel-Pro Performance Chev LS7 LS Series Intake Manifold Gasket Sets # 1208-2Gaskets, Intake Manifold, Printoseal, Stock Port, . 045 in. Thick, Chevy, Small Block, Set Port Height (in.): 2. 450 Port Width (in.): 1. 450 Gasket Material: Composite with coating and Printoseal Thickness (in.): 0. 045 Port Style: Rectangular 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