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When it comes to upgrading or repairing our vehicle’s exhaust system, the right hardware can make all the difference. That’s why we decided to put the ARP 100-1110 Header Bolts to the test. Known for their commitment to quality and precision, ARP’s header bolt kit promises durability, strength, and a flawless fit-thanks to manufacturing processes tightly controlled from start to finish. Crafted from heat-treated 8740 chrome moly steel with a sleek black oxide finish, these bolts are built to withstand extreme conditions with a tensile strength rating of 170,000 psi-far surpassing typical Grade 8 hardware. In this review, we’ll share our firsthand experience with this set of 16 hex-headed bolts, exploring how they performed during installation, their durability, and overall value. Whether you’re a seasoned mechanic or a weekend DIYer, we hope our insights will help you decide if ARP’s premium grade header bolts are the right choice for your next exhaust project.
Overview of Our Experience with ARP Header Bolts
Our experience with this set of header bolts has been notably positive, particularly due to their superior craftsmanship and durability. Manufactured from heat-treated 8740 chrome moly steel and finished with black oxide, these bolts feel exceptionally robust and built to last. The tensile strength rating of 170,000 psi gives us confidence these will hold under high-stress conditions far beyond what typical Grade 8 hardware offers. Installing them was straightforward thanks to the traditional hex style heads and precisely engineered 1.000″ under-head length, which fit perfectly with the included premium washers to ensure a secure, leak-free exhaust header connection.
The quality control evident in these bolts is impressive; every piece feels uniform and reliable. We also appreciate the comprehensive 16-piece set, which covers all mounting points without needing additional purchases. Their moderate weight of 0.67 pounds makes them easy to handle without compromising strength. Below is a quick summary of the key attributes that stood out to us during installation and testing:
- Material: Heat-treated 8740 chrome moly steel
- Finish: Black oxide for anti-corrosion and aesthetic appeal
- Tensile strength: 170,000 psi, far exceeding Grade 8 bolts
- Design: Hex style heads, 3/8″ diameter, 1″ under head length
- Extras: Includes premium-quality washers for optimal sealing
- Package: Complete set of 16 bolts, vehicle-specific fitment
| Feature | Benefit |
|---|---|
| Material Strength | Ensures durability under extreme temperatures and stress |
| Black Oxide Finish | Provides corrosion resistance and sleek appearance |
| Hex Head Design | Allows easy installation with standard tools |
| Complete Set | Eliminates the hassle of sourcing additional hardware |
Exploring the Key Features and Build Quality
Our experience with this header bolt set reveals a perfect blend of durability and precision engineering. Manufactured entirely in-house, the bolts are crafted from heat-treated 8740 chrome moly steel, ensuring exceptional strength and reliability. The black oxide finish not only provides a sleek, professional look but also enhances corrosion resistance, extending the lifespan of these fasteners even in harsh environments. With a tensile strength rating of 170,000 psi, these bolts easily outperform conventional Grade 8 hardware, guaranteeing a secure hold under extreme conditions. The traditional hex style heads offer excellent torque transfer and easy installation, complemented by a precisely measured 1.000″ underhead length, ideal for a flawless fit.
- Material: 8740 chrome moly steel, heat-treated
- Finish: Black oxide for corrosion resistance
- Tensile Strength: 170,000 psi
- Size: 3/8″ diameter, 1.000″ underhead length
- Set Quantity: 16 pieces with premium washers
| Feature | Description |
|---|---|
| Manufacturing Process | Fully in-house, rigorous quality control |
| Compatibility | Vehicle specific fit |
| Weight | 0.67 pounds per kit |
The set comes complete with premium washers, enhancing the overall assembly and ensuring that the bolts maintain their grip without compromising the metal surfaces. For us, the attention to detail and commitment to quality that goes into these fasteners guarantees not only performance but peace of mind when installing exhaust headers. When handling demanding engine environments, having bolts that can withstand high stress without deformation or failure is indispensable, and this set certainly meets those expectations. The included hardware is designed to fit vehicle-specific applications precisely, making installation smoother and reducing the guesswork.
Diving Into Performance and Usability
When it comes to strength and durability, these bolts truly stand out. Crafted from heat-treated 8740 chrome moly steel, they boast an impressive tensile strength of 170,000 psi, significantly exceeding traditional Grade 8 hardware. This means they’re built to withstand the intense stresses involved in securing exhaust headers without compromising integrity. The black oxide finish not only adds a sleek, corrosion-resistant layer but also enhances longevity in demanding environments. With a consistent 3/8″ diameter and a 1.000″ under head length, installation is straightforward and secure, offering peace of mind during high-performance applications.
Our experience with these bolts has been enhanced by the inclusion of premium-quality washers and the careful quality control maintained by ARP’s in-house manufacturing process. The hex-style heads provide excellent grip for standard tools, making tightening and loosening simple and efficient. The set of 16 covers the needs of most header installations, making it a convenient all-in-one solution. Here’s a quick rundown of the key performance specs that impressed us:
| Feature | Specification |
|---|---|
| Material | 8740 Chrome Moly Steel |
| Finish | Black Oxide |
| Tensile Strength | 170,000 psi |
| Diameter | 3/8 inch |
| Under Head Length | 1.000 inch |
| Included Items | 16 Bolts + Washers |
Overall, this bolt set delivers exceptional usability combined with top-tier performance. Whether you’re a professional mechanic or a hands-on enthusiast, these fasteners make installation more reliable and efficient. Ready to upgrade your header bolts? Check them out on Amazon and see the difference quality hardware can make.
Our Recommendations Based on Real-World Use
After extensive hands-on testing, we found these header bolts excel in durability and ease of installation. The heat-treated chrome moly steel construction provides remarkable strength, resisting stretching or warping even under high-heat conditions typical of exhaust systems. The black oxide finish not only adds a sleek look but also offers corrosion resistance, ensuring long-term performance. The traditional hex style heads provide excellent grip with common tools, making installation straightforward without risking rounding or damage. Overall, the kit’s precision manufacturing results in a perfect fit for vehicle-specific exhaust headers, minimizing assembly time and headaches.
- Strength: Rated at 170,000 psi tensile strength, substantially stronger than typical Grade 8 bolts.
- Finish: Durable black oxide coating improves rust resistance while maintaining an attractive appearance.
- Fit & Size: 3/8″ diameter with a 1-inch under-head length, designed specifically for exhaust header applications.
- Included Hardware: Comes with premium-quality washers for secure fastening.
| Feature | Benefits |
|---|---|
| Material | 8740 Chrome Moly Steel – High heat tolerance and strength |
| Tensile Strength | 170,000 psi – Outperforms standard Grade 8 bolts |
| Finish | Black Oxide – Corrosion resistance and sleek look |
| Package | Set of 16 with washers – Complete fastening kit |
For those upgrading or replacing header bolts, our real-world trials confirm this set’s reliability and superior build quality. Whether you’re a professional mechanic or a DIY enthusiast, the consistency and strength these bolts deliver provide peace of mind for your exhaust system projects.
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In summary, the ARP 100-1110 Header Bolts with Hex Style Heads exemplify the commitment to quality and durability that ARP is known for. Their heat-treated chrome moly steel construction and black oxide finish deliver exceptional strength and corrosion resistance, making them a reliable choice for anyone serious about maintaining or upgrading their vehicle’s exhaust headers. With ARP’s stringent in-house manufacturing process, these bolts offer peace of mind along with top-tier performance.
We appreciate the balance of craftsmanship and functionality these bolts provide, making installation smoother and ensuring long-lasting results. Whether you’re a professional mechanic or an automotive enthusiast, this set of 16 bolts, complete with premium washers, is built to meet tough demands and keep your engine running securely.
Ready to upgrade your header bolts with this trusted ARP kit? Check out the full product details and grab your set here: ARP 100-1110 Header Bolts on Amazon.
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