MRG Intake Manifold Gasket - Large Race Port, 1/16" (.060") thick (MG111)MG111 SB CHEV INTAKE GASKET SET Suit Small Block Chevy 1. 31"W x 2. 31"H 1955 91 Part Number: MG111 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