ARP 400-1111 Header Bolt Kit - Hex Head, 12-Piece Set

Manufacturer

ARP

<p>Today, ARP&rsquo;s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.</p>

Part Number

400-1111
03/12/2036 1:34 AM
Sale Price

$32.07

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 400-1111 is a premium 12-piece header bolt kit designed for secure and reliable exhaust header installation. These hex head bolts are manufactured from high-strength chrome moly steel with a black oxide finish, providing excellent durability and corrosion resistance in high-temperature exhaust environments.

Key Features:

  • 12-piece complete bolt kit for header installation
  • Hex head design for easy installation with standard sockets
  • Chrome moly construction with black oxide coating
  • 170,000 psi tensile strength—substantially stronger than Grade 8 hardware
  • Precision-manufactured threads for accurate torque values
  • Includes premium-quality washers
  • Engineered to withstand extreme heat and stress cycles

ARP (Automotive Racing Products) is the world leader in fastener technology, and these header bolts deliver the strength and reliability demanded by professional engine builders and performance enthusiasts. The superior clamping force and heat resistance ensure your headers stay securely mounted, even under the most demanding racing and high-performance conditions.

Products specifications

Fastener Finish

Polished

Fastener Material

Stainless steel

Fastener Style

Bolt

Head Style

Hex

Notes

3/8 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

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