Your Cart

ARP 400-1112 Header Bolt Kit - Hex Head, 16 Pieces

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>

Picture for manufacturer ARP

Part Number

400-1112
10 reviews
03/12/2036 1:30 AM
Sale Price

$42.04

In Stock (10+)

delivery box

Usually delivered within 2 days

Add To Cart

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 400-1112 header bolt kit provides a premium-grade fastening solution for exhaust header installation. This 16-piece kit features hex head bolts engineered for superior strength and reliability in high-temperature exhaust applications.

Key Features:

  • 16 precision-manufactured header bolts with hex heads
  • Constructed from black oxide chrome moly steel
  • Rated at 170,000 psi tensile strength—substantially stronger than Grade 8 hardware
  • Includes premium-quality washers for proper installation
  • Designed to withstand extreme heat and vibration
  • Universal fitment for various engine applications

ARP's header bolts are engineered to handle the demanding conditions of exhaust systems, providing the clamping force and durability needed to maintain secure header-to-cylinder head connections. The black oxide finish offers corrosion resistance while the chrome moly construction ensures exceptional strength under thermal cycling and mechanical stress.

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 16.

Size

3/8

Thread Size

3/8-16 in.

UHL

1

Underhead Length (in)

1.000 in.

Underhead Length (mm)

25mm

Easy

Fast shipping. Easy ordering. Items are are described

Great price of the 5th wheel tailgate.

Haven't fitted them to my truck, my size is not listed on the bag but they are adjustable to a point.

great web site and easy to use

Best price and fast shipping.

They had the lowest price by far! Quick shipment! I am going back for more. Thanks!<br><br>Order 6489

vert simple.

Best price I could find on the Internet can't go wrong with saving money

I purchased a wiring connector and some additional wiring pins. Super fast shipping. Likely to buy from again.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy