Why Upgrade to ARP Header Bolts?
Because stock bolts don’t survive heat cycles—they surrender to them.
ARP header bolts are engineered to maintain consistent torque and clamping force under extreme exhaust temperatures, keeping your headers sealed and secure.
Key Features
- Stainless Steel Construction
Excellent resistance to corrosion and high-temperature fatigue. - Hex Head (6-Point) Design
Easy installation with standard tools—no specialty sockets needed. - High-Strength Fasteners
Designed to hold torque through repeated heat cycles without loosening. - Precision Rolled Threads
Ensures smooth installation and accurate torque retention. - Application-Specific for BBC
Designed to fit Big Block Chevy header setups properly.
This ARP Fasteners hex head Exhaust Header Bolt is 1 inch in period and is offered in set of 16.
Ideal Applications
- Big Block Chevy (BBC) header installations
- Performance, street, and track builds
- Replacement for worn or failing header hardware
- High-heat exhaust environments
If you’re running a BBC, this isn’t optional—it’s basic maintenance done right.
Why It Matters
Cheap header bolts often lead to:
- Exhaust leaks from loosening hardware
- Corrosion and seized bolts
- Stripped heads or broken fasteners
The ARP 400-1112 kit ensures reliable clamping and long-term durability, keeping your exhaust sealed and your engine running properly.
ARP Header Bolt Kit Large Block Chevy P/N four hundred-1112
Section number: 4001112
Are compatible kind: Car Explicit
Package deal Weight: 0.75 pounds
Installation Notes
- Use anti-seize with stainless hardware
- Torque evenly across all bolts
- Re-check torque after initial heat cycles
Translation: install once, do it right, and stop dealing with it.
Final Verdict
The ARP 400-1112 Hex Header Bolt Kit is a must-have upgrade for Big Block Chevy builds. Strong, corrosion-resistant, and built to stay tight—exactly what your exhaust system needs.
Not flashy—but it works. Every time.
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