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Exhaust Manifold Bolt Kit for 1957-1966 Small Block Chevy Engines
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JEGSPART NUMBER: 555-90634

Exhaust Manifold Bolt Kit for 1957-1966 Small Block Chevy Engines

$3499$37.99You Save$3.00
ShippingShips on 11/13/2026
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Exhaust Manifold Bolt Kits
Exhaust Manifold Bolt Kit
  • 1957-1966 Small Block Chevy Engines
  • Black Phosphate Finish
  • Includes:
    • (8) 3/8 in.-16 x 2 1/4 in. UHL Bolts
    • (4) 3/8 in.-16 x 2 7/8 in. UHL Bolts
    • (12) Washers

      JEGS 90634 Exhaust Manifold Bolt Kit has 24 pieces to complete the installation of exhaust manifolds on your 1957-1966 Chevy equipped with a Small Block. These hex head bolts also have the original head markings for an OEM-style appearance.

      Note: These bolts require a 9/16 in. socket/wrench for installation.

    • High-Quality Mounting Hardware

      JEGS GM Exhaust Manifold Components offers OEM-style fasteners to properly mount your exhaust manifolds and exhaust pipes. Made to factory specs and lengths for a secure and tight fit. If your ride needs a replacement, our kits make it easy to replace all of your vehicle's exhaust hardware.

    Part TypeExhaust Manifold Hardware
    Product LineJEGS GM Factory-Style Exhaust Manifold Components
    BrandJEGS
    Package Height1.3
    Package Width3.9
    Package Length4.0
    Weight1.13 PG
    Part CategoryReplacement Parts
    PositionExhaust Manifold
    FinishBlack Phosphate
    Package Qty1
    Package TypeEA
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