Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

Mr. Gasket Ultra-Seal Exhaust Gaskets 5914 Gaskets, Header, Ultra-Seal, Steel Core Laminate, Round Port, Chevy, Big Block, Pair

Mr. Gasket Ultra-Seal Exhaust Gaskets 5914 Gaskets, Header, Ultra-Seal, Steel Core Laminate, Round Port, Chevy, Big Block, Pair

A$122.48
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Mr. Gasket Ultra-Seal exhaust gaskets are designed and constructed to improve the sealing of exhaust header flanges. Unlike standard exhaust gasket material, Ultra-Seal gaskets incorporate a graphite-impregnated facing and a steel-expanded metal core that reinforces and increases their tensile strength. This allows the gaskets to conform to warped flanges, giving them better sealing capabilities without deteriorating or cracking under the excessive heat and pressure that's common in exhaust systems. Ultra-Seal gaskets are available for a wide range of port styles and sizes.

Additional features and benefits:

* 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
* High-recovery material allows header or manifold flange to stay sealed if flange loses clamp-load
* Can be trimmed for modified port applications
* Designed for OE replacement, high performance street, drag race, road racing, and oval track use

Part Type

BB Chevy Exhaust Gaskets 2.400 in Diameter

Data: v4.2 - Upd: 2026-09-29 08:57:42

Specifications

Product Attributes - Brand
Mr. Gasket
Product Attributes - Manufacturer's Part Number
5914
Product Attributes - Part Type
Header and Exhaust Manifold Gaskets
Product Attributes - Product Line
Mr. Gasket Ultra-Seal Exhaust Gaskets
Product Attributes - UPC
084041059142
Product Attributes - Port Style
Round
Product Attributes - Gasket Material
Steel core laminate
Product Attributes - Port Height (in.)
2.430
Product Attributes - Port Width (in.)
2.430
Product Attributes - Quantity
Sold as a pair.

Reference Information

Brand Name/s Mr. Gasket
StreetFX SKU mrg5914
SFX Item ID 4982273
Supplier Item Code 4982273
Manufacturer SKU 5914
Manufacturer UPC 84041059142

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454

Loading compatibility information...