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Earl's 29D03B - Earl's Pressure Master Header Seals

Earl's 29D03B - Earl's Pressure Master Header Seals
Earl's 29D03B - Earl's Pressure Master Header Seals

JEGS Part Number: 361-29D03B

Pressure Master Header Gasket Set
  • Small Block Chevy/GM 265-400
  • 1.50" x 1.50" Ports
    • $42.40 Ships

    Earl's 29D03B Details

    Small Block Chevy/GM Pressure Master Header Seals

  • Uses Aerospace Technology
  • Reusable/Adaptable
  • Graphite Foil Sealing Inserts
  • Virtually Leak proof
  • Seals Up To 1200 percent Better
  • Superior Torque Retention
  • Longer Lasting Pre-Load
  • 90 percent Break Loose Torque

  • Earl's Pressure Master Header Seals

    Earl's Pressure Master Header Seals are made of an aerospace-grade graphite foil sealing material applied to an aluminum retainer. They've been manufactured and developed for Earl's by aerospace manufacturer Parker Hannifin Corporation to solve the toughest automotive sealing issues!

  • Graphite foil sealing inserts are replaceable in the aluminum retainer
  • Economical solution to tough sealing problems

    Virtually Leakproof
  • Leak down tests show Earl's Pressure Master seals up to 1200% better under pressure than leading gasket systems

    Superior Torque Retention
  • Torque tests show the fastener pre-load lasts longer with Pressure Master Seals
  • Earl's 90% break loose torque compares to 65% of the nearest competition

  • Items similar to Earl's 29D03B

    Earl's 29D03B

    Port Height (in.)
    Port Style
    Square port
    Port Width (in.)
    Sold as a pair
    Gasket Material
    Graphite foil
    Manufacturer's Part Number:
    Rated 1 out of 5 by from Earl's pressure master header seals I purchased these header gaskets and also locking header bolts. Less than 1 hour of run time and one gasket began to leak. Headers are also new.
    Date published: 2014-12-26
    • 2016-05-31T09:26CST
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