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Earl's 29D03B4

Pressure Master Header Replacement Inserts Small Block Chevy/GM

Earl's 29D03B4


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Earl's 29D03B4 Pressure Master Header Replacement Inserts Small Block Chevy/GM $24.52
To order this item contact Customer Service at 1-800-345-4545.
Pressure Master Header Replacement Inserts
  • Small Block Chevy/GM
  • Header Gasket Set 361-29DB3B
  • 1.36" x 1.36" Ports

  • Earl's 29D03B4 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

  • Specifications:

    Gasket Material
    Graphite foil
    Port Style
    Square port
    Sold as a set
    Port Height (in.)
    Port Width (in.)
    Manufacturer's Part Number:

    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

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