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ARP 100-1209: 3/8" x 1.000" Long Chromoly Header Bolts (12)

ARP 100-1209: 3/8" x 1.000" Long Chromoly Header Bolts (12)
Pricing: $22.99


ARP Chromoly Header Bolts: 100-1209

  • Thread: 3/8" x 16
  • UHL: 1.000"
  • 5/16", 12-Point Head
  • Washers Included
  • Flanged Head
  • Black Oxide Finish
  • Qty: 12

Torque specs and additional information on ARP Fasteners can be found here:


ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. What�s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading. Studs and bolts come either black oxide chrome moly or Stainless 300. Both are nominally rated at 170,000 psi tensile strength; substantially stronger than Grade 8 hardware. Available for a wide selection of Chevrolet, Chrysler and Ford engines, plus many �universal� kits that can be matched by dimension.



  • ARP-100-1209
  • ARP-100-1209
  • ARP
  • New


Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W2.0000” x H2.0000” x L8.0000”

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