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ARP 434-1102

Header Bolt Kit Small Block Chevy Gen III LS Series

ARP 434-1102


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ARP 434-1102 Header Bolt Kit Small Block Chevy Gen III LS Series $49.99
Header Bolt Kit
  • Small Block Chevy Gen III LS Series
  • 1/4'' Wide Header Flange
  • Hex Head
  • M8 x 1.181''
  • 12/pkg

  • Specifications:

    Fastener Finish
    Fastener Material
    Stainless steel
    Fastener Style
    Head Style
    Sold as a set of 12
    Thread Size (mm)
    8 x 1.25
    Underhead Length (mm)
    Manufacturer's Part Number:

    ARP's Exhaust Header Bolt Kits are specifically designed and engineered for attaching exhaust headers to a street or strip vehicle, without the worry of leaky gaskets or loosening during operation. These header bolt kits are premium grade, 170,000 psi tensile strength (stronger than grade 8) fasteners that are available in either 12-point or hex head styles. Stainless steel 300 or black oxide chrome moly finish delivers corrosion and extreme heat resistance, ideal for nearly any application. Each ARP header bolt kit includes the specific necessary bolt quantity for your application and premium-quality washers. Available for most GM, Ford, Chrysler and many universal applications.


    • 170,000 psi tensile strength
    • 12-point or hex head
    • Stainless steel 300 or black oxide chrome moly finish
    • Corrosion and heat resistant
    • Includes necessary bolt quantity and premium-quality washers
    • For GM, Ford, Chrysler and many universal applications

    Also available, ARP Exhaust Header Studs

    434-1102 is rated 3.0 out of 5 by 2.
    Rated 5 out of 5 by from I bought these header bolts because the ones that came with the headers I purchased looked sub-par to the quality of the headers themselves. Considering the money I invested in a set of top-end stainless headers that I had ceramic coated, I wanted top-end fasteners to complete the job. These header bolts squeezed down on the header flanges evenly and produced a leak free fit. I used a 10mm 3/8 five point socket and an extension to reach all six bolts on a GM Generation IV LSX. Usually it is my experience with headers that at least one bolt cannot be hit with a socket, and you need to 'guess-ta-mate' the ft/lbs torque with a wrench. Polished stainless will stay looking like new forever as well. You get what you pay for as with most things in life.
    Date published: 2015-09-01
    Rated 1 out of 5 by from Not worth buying Those bolts were such a pain in the neck to get started. They should have tapperd threads like the GM originals. I'll never buy them again
    Date published: 2016-03-04
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    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations