My Account
Shopping Cart

ARP 134-1102 Header Bolt Kit for Small Block Chevy LS Series M8 x 1.181"

Manufacturer

ARP

<h3>The Gold Standard in Performance Fasteners</h3> <p>When racing enthusiast Gary Holzapfel recognized that fastener failure was causing many engine breakdowns in 1968, he founded Automotive Racing Products (ARP) to solve a critical problem in motorsports. Drawing on his aerospace fastener manufacturing experience, Holzapfel created a company that would revolutionize the performance fastener industry. Today, ARP stands as the world's premier manufacturer of high-strength bolts, studs, nuts, and specialized hardware for racing and high-performance applications.</p> <p>ARP controls all aspects of the manufacturing process in-house, with all operations closely monitored, enabling the company to maintain its reputation for zero-defect quality. Every fastener undergoes forging, heat treatment, thread rolling, and precision finishing at ARP's Southern California facilities, which span over 115,000 square feet. This vertically integrated approach ensures that each component meets exacting standards for strength, fatigue resistance, and reliability under extreme conditions.</p> <h3>Engineered for Championship Performance</h3> <p>ARP's customer roster reads like a who's who of professional motorsports. The product line ranges from quality high-performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. The company's fasteners have secured victories in virtually every major racing championship worldwide, from Top Fuel dragsters to Formula One cars, proving their worth under the most demanding conditions imaginable.</p> <p>The brand's <a href="/48-arp-engine-cylinder-head-bolt-set-10306">engine cylinder head bolt sets</a> represent the cornerstone of ARP's catalog, offering engine builders the clamping force and reliability needed to prevent head gasket failure in high-boost and high-compression applications. These precision-engineered fasteners utilize proprietary materials and heat treatments that deliver up to ten times the fatigue strength of conventional bolts, making them essential for any serious performance build.</p> <p>For engine internals, ARP manufactures <a href="/48-arp-engine-connecting-rod-5276">connecting rods</a> designed to withstand extreme cylinder pressures and high RPM loads. Each rod is manufactured to aerospace standards with tight tolerances and superior material properties. Whether you're building a street performance engine or a full competition powerplant, ARP connecting rods provide the strength and consistency that professional engine builders demand.</p> <h3>Complete Fastener Solutions</h3> <p>Beyond engine components, ARP's product range extends throughout the entire vehicle. The company's <a href="/48-arp-wheel-lug-stud-7680">wheel lug studs</a> offer critical safety and performance benefits for racing and high-performance street applications, providing greater clamping force and durability than factory studs. ARP's product line contains thousands of part numbers and has expanded to include virtually every fastener found in an engine and driveline.</p> <p>Individual <a href="/48-arp-engine-cylinder-head-bolt-5308">engine cylinder head bolts</a> are also available for custom applications or specific replacement needs, manufactured to the same exacting standards as complete sets. This flexibility allows builders to source exactly what they need for specialized builds or repairs without compromising on quality.</p> <p>What sets ARP apart is not just the breadth of their catalog, but their willingness to develop custom solutions for unique applications. The company maintains complete R&D capabilities, including metallurgical research, product design, prototype machining, and extensive laboratory testing. This engineering expertise ensures that whether you're installing a simple head stud kit or building a record-setting race engine, ARP fasteners deliver the reliability and performance that professionals trust.</p>

Part Number

134-1102
07/13/2036 5:47 AM
Sale Price

$31.70

3 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

ARP 134-1102 is a premium header bolt kit specifically designed for Small Block Chevy Gen III LS Series engines with 3/8" wide header flanges. This complete kit includes 12 high-strength bolts engineered to withstand the extreme heat and vibration of exhaust system applications.

Key Features:

  • M8 x 1.181" hex head bolts for secure header installation
  • Rated at 170,000 psi tensile strength for maximum clamping force
  • Available in black oxide finish (8740 chrome moly steel) or corrosion-resistant stainless steel 300 material
  • Compact hex head design allows easy socket access in tight spaces
  • Complete kit includes 12 bolts plus premium-quality washers and nuts
  • Designed specifically for 3/8" wide header flanges on LS engines

ARP header bolts are engineered to maintain proper clamping force under extreme thermal cycling, preventing exhaust leaks and ensuring reliable performance. The high-strength material resists stretching and thread damage, while the precision manufacturing ensures consistent torque values and long service life.

Products specifications

Fastener Finish

Black oxide

Fastener Material

Steel

Fastener Style

Bolt

Head Style

Hex

Quantity

Sold as a set of 16.

Underhead Length (mm)

25.00mm

Simple.

services good, the parts I found through Amazon on your site were the wrong size. when I tried to re order through your site could not find them and had to call you customer service which was great

Fast

Quick easy shopping

Wow - super fast on line ordering! Best Price for item and free shipping, Thank you!

haven't had to install product due to got original plug working for light. was shipped in a very timely manner.

First time user. Will be back! Super fast shipping.

Easy

I received exactly what I wanted and it came on time at a good price!

It was quick and straight to the point without a whole lot of dialogue.

great prices

So far in a word: perfect

So far so good check with me when my order comes

very fast processing received product within a few days. fair prices. will do business with again.

Prices are right, and available, thank you!!

Great!

So far so good, the site does freeze up from time to time, but not as often as it used to.

Beat all other internet prices! Easy to order!

Easy deal

Great prices and love the Amazon tie-in.

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