Eckler's Catalogs Available Now!

$12K Summer Sweepstakes! Enter Now >

Find Parts That Fit My Vehicle

Blazer C10 C10 Pickup C1500 C2500 C3500 K10 K10 Pickup K1500 K2500 K3500 Chevrolet Truck More Vehicles

1955-1991 Mr Gasket Aluminum Header Gaskets GEN 1 283-400 w/1.45 Inch x 1.48 Inch Square Ports.

Item EK-61-878089-1
38 Reviews of Mr. Gasket
Our Price

$47.55

Military, Medical & First Responders $2.38 Available in EK Cash Rewards.
Confirm Eligibility
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program
    Join For FREE

      Product Information

      Features, Description, Q&A

      Features

        _x000D_
      • Upgrade to aluminum layered header gaskets to permanently eliminate blown exhaust gaskets
        • _x000D_
      • Conforms to warped and damaged surfaces to create an airtight, leak-proof seal
        • _x000D_
      • Will not shrink, deteriorate, or blow out
        • _x000D_
      • Withstands intense exhaust heat
        • _x000D_
      • Reusable header exhaust manifold and collector flange gaskets
        • _x000D_
      • Manufactured from dead soft aluminum layers, .125 inch thick
        • _x000D_
      • Easy removal for disassembly
        • _x000D_
      • Conforms easily to surface irregularities and warped flanges
        • _x000D_
      • Compresses down to 0.060 inch to create a tight, leak-proof seal
        • _x000D_
      • For high-performance street, drag race, and oval track use
        • _x000D_
      • Fits 1955-1991 Chevrolet 262-400 Gen I Small Block
        • _x000D_

      Description

      Premium Exhaust Seal. The Mr. Gasket 1955-1991 Mr Gasket Aluminum Header Gaskets GEN 1 283-400 with 1.45 Inch x 1.48 Inch square ports provide a durable and leak-proof seal between the exhaust manifold and cylinder head. These gaskets are engineered to conform to warped and damaged surfaces, eliminating the common issue of blown exhaust gaskets which can cause performance loss and exhaust leaks.

      _x000D__x000D_

      Construction and Appearance. Made from .125 inch thick dead soft aluminum layers, these gaskets handle intense exhaust heat without deteriorating. The flat finish and aluminum construction allow for easy conformity to surfaces and compression, ensuring a long-lasting, airtight seal that resists shrinkage and damage under extreme conditions.

      _x000D__x000D_

      Installation. Installation is straightforward with no drilling required. Designed for easy removal and reassembly, these gaskets compress down to 0.060 inch, permitting a tight fit even on warped flanges.

      _x000D__x000D_

      Warranty. This product includes a manufacturer’s limited 90-day warranty.

      _x000D__x000D_

      Application. Specifically designed to fit 1955-1991 Chevrolet 262-400 Gen I Small Block engines with 1.45 Inch x 1.48 Inch square ports.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.5

      Reviews of Mr. Gasket Classic Exhaust Products (38)

      Questions & Answers

      No questions about this product yet. Ask the First Question