Ultra-Seal Header Gaskets Fits 1959-1980 Chrysler 383-440 B/RB Big Block Square Ports, 1.78 Inch x 1.48 Inch Mr Gasket

Part #: 5936

Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate Gasket failure.Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities.High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications.For original equipment replacement, high performance street, drag race and oval track use.Has A Steel Core With Graphite FacingGraphite Facing Has Excellent Thermo-conductivityCoated With High Temp Silicone For SealingWill Not (brindle ) Or Indent Aluminum HeadsDetails:Collector Gaskets Included: NoEmission Code: 5Gasket Line: Ultra-SealMaterial: Ultra-sealPort Shape: RectanglePort Size: 1.78 x 1.48Warranty: Manufacturer's Limited 90 Day Warranty

Features:

• Has A Steel Core With Graphite Facing
• Graphite Facing Has Excellent Thermo-conductivity
• Coated With High Temp Silicone For Sealing
• Will Not (brindle ) Or Indent Aluminum Heads

Exhaust Manifold / Header Gasket - Ultra-Seal - 1.780 x 1.480 in Rectangle Port - Steel Core Laminate - Mopar B / RB-Series - Pair