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ARP 400-1109 Header Bolt Kit Hex Head - 12-Piece Set

Part of: ARP Header Bolt Kit Hex Head

Other options in this family: ARP 444-1102 ARP 100-1102 ARP 400-1111 ARP 100-1101 ARP 100-1103

Manufacturer

Picture for manufacturer ARP

Part Number

400-1109
4 reviews
Sale Price

$31.60

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The ARP 400-1109 is a premium 12-piece header bolt kit featuring hex head bolts designed for secure exhaust header installation. These bolts are constructed from high-grade materials engineered to withstand the extreme heat and stress of exhaust systems.

Key Features:

  • 12-piece complete bolt kit with premium-quality washers included
  • Hex head design for easy installation and removal
  • Available in black oxide chrome moly or Stainless 300 construction
  • Rated at 170,000 psi tensile strength—substantially stronger than Grade 8 hardware
  • Stainless models resist corrosion and extreme heat degradation
  • NASCAR drilled models available for safety wire applications

ARP manufactures these header bolts to exacting standards, ensuring reliable fastening performance in high-temperature exhaust environments. The precision-engineered threads provide consistent torque application and long-term durability. Suitable for various applications including small block and big block Chevrolet engines, plus universal fitments.

Products specifications

Fastener Finish

Polished

Fastener Material

Stainless steel

Fastener Style

Bolt

Head Style

Hex

Notes

5/16 in. wrench head size.

Quantity

Sold as a set of 12.

Size

3/8

Thread Size

3/8-16 in.

UHL

1

Underhead Length (in)

1.000 in.

Underhead Length (mm)

25mm

Very satisfied with this company. Ordered the part from another company and had nothing but problems. We found this place and the part was cheaper and they delivered the right part! Will do busy with again.

Wonderful....purchased a set of weight load scales and couldn't find them any cheaper that with Autoplicity....and we received them very timely. Ordered on 1/5 and received on 1/9.

Very easy to talk to on the phone and excellent service.

Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

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