Why Upgrade to ARP Bolts?
Because “it tightened down fine” doesn’t mean it’ll stay that way.
ARP bolts are built for consistent clamping force, accurate torque, and long-term durability—everything cheap hardware pretends to do.
ARP (675-1004) M12 x 1.75 x 40 12pt Black Oxide Bolts (five/pkg)
ARP 675-1004 M12 x 1.75 black oxide bolts 12 point – Key Features
- High-Strength Alloy Steel Construction
Designed to handle high loads, vibration, and stress without stretching or failing. - Black Oxide Finish
Provides corrosion resistance while maintaining a clean, low-profile look. - M12 x 1.75 Thread Pitch
Common size for many automotive and performance applications. - 40mm Length
Ideal for brackets, mounts, and structural fastening points. - 12-Point Head Design
Allows better access in tight spaces and more precise torque application. - Precision Rolled Threads
Ensures smooth installation and consistent clamping force. - 5-Bolt Pack
Perfect for targeted upgrades or replacing worn hardware.
M12 X 1.75 X 40 12PT BLACK OXIDE BOLTS
Ideal Applications
- Engine mounting and accessory brackets
- Suspension and chassis components
- Drivetrain and structural hardware
- Performance builds requiring high-strength fasteners
Basically anywhere failure would ruin your day.
Why It Matters
Low-quality bolts can lead to:
- Inconsistent clamping force
- Loosening under vibration
- Thread damage or failure
The ARP 675-1004 bolts provide reliable fastening and long-term durability, keeping your components secure under load.
Installation Notes
- Torque to proper specifications for your application
- Use thread lubricant or anti-seize if required
- Verify thread pitch and length before installation
Final Verdict
The ARP 675-1004 Bolt Kit is a simple upgrade with serious benefits—stronger, more reliable, and far less likely to cause problems than generic hardware.
Because the only thing worse than a failed part… is the bolt that caused it.


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