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Mr Gasket 5821 Ultra Seal Intake

Intake Manifold Gasket

Ultra Seal Intake Gasket

Ultra Seal Intake Gasket; Rectangle Port Shape; Port Dimensions W-1.25 in. x H-2.13 in.; Small Modified Port And Bolt Locations;

  • Color: Grey
  • Engine Make/Size: fits Chevrolet Small Block Gen I
  • Material: Ultra-seal
  • Package Type: Retail
  • Port Shape: Rectangle
  • Port Size: 1.250 in. x 2.130 in.
  • Position: N/A
  • Thickness: 0.060 in.
  • WARNING CA Proposition 65: No

  • Made From Cellulose/nitrile Composition Material
  • Provides Excellent Sealing And Durability
  • This Gasket Has Silicone Beading On Both Sides

Nitrile rubber and fiber. Will not crack or split and resists wicking. Withstands 600 plus degree temperatures. Silicone bead around the port creates a tight leak proof seal.

Using his own '57 fits Chevy as a rolling test bed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Building a name for himself and his company competing at Cleveland-area tracks Norwalk and Dragway 42, Hrudka quickly established Mr. Gasket as the go-to gasket source for racers with a line of head gaskets, exhaust gaskets, oil pan gaskets, and fasteners that sealed perfectly every time and withstood the punishing temperatures and pressures of racing. Now an important part of Holley Performance, Mr. Gasket continues to expand application coverage with more and more new products for race cars and muscle cars alike. Beyond the gaskets that made the Mr. Gasket brand what it is today is an endless variety of high-performance parts, including carburetor and fuel system components, chrome-plated accessories to dress up your engine bay, fuel additives, shifter accessories, cooling-system accessories, specialty tools, and a wide array of heavy-duty suspension and driveline components.