Intake Manifold Gasket - Large Race Port, 1/16" (.060") thick MG111Intake Manifold Gasket Large Race Port, 1 16" (. 060") thickSuit Small Block Chevy 1. 31"W x 2. 31"H 1955 91 MG111 111 Manufactured from cellulose nitrile composition gasket material Provides excellent sealing and durability Can be trimmed if necessary for modified port applications Complete with manifold end rails and distributor gasket For OE replacement, high performance street, drag race and oval track