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Earl's Pressure Master Header Gasket Set Small Block Chevy/GM 265-400

Earl's 29D03B

361-29D03B

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Earl's Pressure Master Header Gasket Set Small Block Chevy/GM 265-400 $49.99
Pressure Master Header Gasket Set
  • Small Block Chevy/GM 265-400
  • 1.50" x 1.50" Ports

  • 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

  • Specifications:

    Gasket Material
    Graphite foil
    Port Style
    Square port
    Quantity
    Sold as a pair
    Port Height (in.)
    1.5
    Port Width (in.)
    1.5
    Port Shape
    Square
    Manufacturer's Part Number:
    29D03BERL
    Shipping Weight:
    .59
    Package Height:
    21.500
    Package Depth:
    .500
    Package Width:
    4.700

    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

  • 29D03B is rated 3.0 out of 5 by 2.
    Rated 5 out of 5 by from Great Product! This really is a great product, as described it is the best. I googled for the best gasket and I got it...Thanks!
    Date published: 2016-10-13
    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
    • y_2018, m_9, d_26, h_3
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
    • cp_1, bvpage1
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    • loc_en_US, sid_10001_10001_315690, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
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