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Earl's 29D03B1 - Earl's Pressure Master Header Seals

Earl's 29D03B1 - Earl's Pressure Master Header Seals

Earl's#361-29D03B1

Pressure Master Header Replacement Inserts
  • Small Block Chevy/GM
  • For Header Gasket Set 361-29D03B
  • 1.50'' x 1.50'' Ports

    Earl's 29D03B1 - Earl's Pressure Master Header Seals 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
  • For Header Gasket Set 361-29D03B

  • Earl's 29D03B1 - 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!

    Reusability/Adaptability
  • 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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