This Cometic ArmorCore exhaust manifold gasket set is a 4-pack for Cummins 3.9L 4BT four-cylinder diesel applications, featuring a .042in thickness and a 2.082" x 1.508" port. Cometic's multi-layer and ArmorCore designs resist corrosion, maintain torque set and withstand diverse head-to-manifold material combinations without sealants. The set is intended for heavy-duty exhaust sealing under high cylinder pressures.
Cometic Dodge Cummins 3.9L 4BT 4Cyl Diesel Exhaust Manifold Set - 4 Pack