Mr. Gasket Intake Manifold Gaskets - SB Chevy - Medium Race Port - Intake Port Width: 1.31" , Intake Port Height: 2.19" , Center Port to Gasket Top: 1.00" 10287 Will need to be modified

Will need to be modified for transmissions with a PRNDL Switch

1975-1976 Mercedes-Benz 280

Carb pad will accept square-bore carbs without adapters

1980-1980 Pontiac Catalina

Mr. Gasket Intake Manifold Gaskets - SB Chevy - Medium Race Port - Intake Port Width: 1.31" , Intake Port Height: 2.19" , Center Port to Gasket Top: 1.00" 10287 Will need to be modifiedChevy Intake Gasket 262 400 1955 91 1 8" Thick Medium Race Port 1. 31w x 2. 19h. 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 rail seals and distributor gasket. For OE replacement, high performance street, drag race and oval track. Vehicle Applications: 1979 1991 GMC G1500 1987 1987 GMC R1500 1968 1974