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1985 Chevy Blazer
Fits Following Model(s):
  • 5.0L / 5.7L
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    Product Details

    Earl’s Performance Plumbing

    Chevy Blazer 5.0L / 5.7L 1985-1987, Pressure Master™ Header Seal Insert Set by Earl's Performance®. Pressure Master™ Seals, designed and manufactured for Earl’s by Parker Hannifin Corporation, were the first high performance seals developed to solve automotive sealing problems using Aerospace Technology.

    Earl's Performance Plumbing Chuck's GarageEarl's Performance Plumbing WarrantyEarl's Performance Plumbing


    Series: Pressure Master™


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

    The graphite foil sealing inserts are replaceable in the aluminum retainer, making it an economical solution to tough sealing problems.

    Leak down tests show Earl’s Pressure Master™ seals up to 1200% better under pressure than leading gasket systems. TORQUE TESTS show the fastener pre-load is longer lasting. Earl’s 90% break loose torque compares to 65% for our nearest competition.

    With many years of experience Earl’s Performance Plumbing can be rightfully called one of the major players in performance plumbing market. Right here in the USA Earl’s proudly manufactures the highest quality parts and accessories, which do the great job of transferring fluids through the vehicle in a safe and reliable way. The company's diverse product line includes an extensive choice of hose, hose ends and fittings, oil coolers, and other performance parts. Both serious racers and street performers can benefit from Earl's plumbing solutions. State-of-the-art equipment and precision CNC machining technologies allow the company to ensure the continued quality of its products.

    Warranty Information

    All Holley Performance Products Limited Warranties are extended to the original consumer only. This Limited Warranty is not assignable or otherwise transferable. There are no warranties that extend beyond those stated herein. Holley Performance Products offers no other warranties expressed or implied beyond this Limited Warranty. In the event of an alleged defect in material or workmanship, Holley Performance Products’ responsibility is strictly limited to repair or replace the defective product. Holley has no other obligation expressed or implied. Final warranty determination will be in the sole discretion of Holley Performance Products. Holley shall not be responsible for; (a) actual or alleged labor, transportation, or other incidental charges; or (b) actual or alleged consequential or other damages incurred by use of any product of Holley Performance Products.

    To initiate the warranty process, the consumer must return the alleged defective product to the place of purchase with a dated receipt and completed applicable warranty claim tag. Warranty claims will be rejected if the date of purchase cannot be established by the consumer. Do not send products directly to Holley Performance Products. Holley Performance Products assumes no responsibility for products sent directly to Holley Performance Products.

    This Limited Warranty sets forth specific legal rights. The consumer may have other rights as a result of variations in state laws or provincial laws. This Limited Warranty supersedes all prior warranty statements.

    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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