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Exhaust Header Gasket Ultra-Seal Material
InfoVehicle Info Needed
MR GASKETPART NUMBER: 720-5900

Exhaust Header Gasket Ultra-Seal Material

$4024
1 left in stock
ShippingShips on Nov 02, 2026
Lowest PriceLowest Price Guarantee
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$2027
Made in USA
Exhaust Header Gaskets for Small Block Chevy and Vortec

555-210050

Exhaust Header Gaskets for Small Block Chevy and Vortec

$1997

Chevy - Small Block
    Exhaust Header Gasket
  • Ultra-Seal Material
  • 1955-91 Small Block Chevy 262-400
  • Medium Race Port: 1.45'' x 1.48''

  • 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
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  • 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 Width3.6
Package Length18.5
Weight0.4 PG
Part CategoryPerformance Parts
Port Height1.48 in (37.6 mm)
Port ShapeSquare
QuantitySold as a pair
Port Width1.45 in (36.8 mm)
Port StyleSquare port
MaterialUltra-seal
Gasket MaterialSteel core laminate
Part FitmentSemi Universal
Vendor Part Number5900
Package Qty1
Package TypeEA

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