Mr. Gasket Copperseal Header Gaskets - D-Port - SB Chevy - LT1, LT4 Keep it Clean Wiring it is ideal for trucks

it is ideal for trucks with modified engines

2015-2018 GMC Sierra 3500 HD Double Cab Pickup

Maximum Pressure Rating of 250 PSI

12 mm Thick

654 in Head

Mr. Gasket Copperseal Header Gaskets - D-Port - SB Chevy - LT1, LT4 Keep it Clean Wiring it is ideal for trucksCopperseal exhaust gaskets are unique gaskets made from . 043" solid copper. They feature an embossed O ring design for a leak proof seal. They won't shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes & towing Vehicle Applications: 1994 1996 Buick Roadmaster 1994 1996 Chevrolet Caprice 1993 1996 Pontiac Firebird 1994 1996 Cadillac Fleetwood 1994 1996 Cadillac Commercial Chassis 1993 1996 Chevrolet Camaro 1994 1996 Chevrolet