Exhaust Header Gasket Ultra-Seal Material

Name: Exhaust Header Gasket Ultra-Seal Material
Brand: MR GASKET
SKU: 720-5935
Price: 46.97 USD
Availability: InStock

^$46⁹⁷

2 left in stock

Ships on Oct 19, 2026

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^$29⁹⁸

555-210450

Exhaust Header Gaskets for Chrysler 273 & 318 (With 4-bbl Cylinder Head)

^$16⁹⁹

Mopar

Ultra-Seal Material
1975-91 Small Block Chrysler 318 (4 Bbl.), 340, 360
Rectangular Port: 1.30'' x 1.80''
Graphite-Impregnated Facing
Steel Expanded Metal Core
Superior Tensile Strength
Resists Cracking
Withstands Intense Heat
Resists Deteriorating
Anti-Stick Properties
Easy Removal For Disassembly

Premium Ultra-Seal Exhaust Gaskets have the ability to conform to warped flanges for a tight seal and superior tensile strength to resist cracking. Their graphite facing withstands heat and allows easy removal.

Features:

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 OE replacement, high-performance street, drag racing, and circle track

Part TypeHeader Gasket

Product LineMr. Gasket Ultra-Seal Exhaust Gaskets

BrandMR GASKET

Package Height0.2

Package Width3.5

Package Length19.0

Weight0.3 PG

Part CategoryPerformance Parts

Thickness0.06 in (1.5 mm)

Port Height1.8 in (45.7 mm)

Port ShapeRectangle

QuantitySold as a pair