Why Upgrade to ARP 400-1402 stainless header bolt kit 12 point?
Because chasing exhaust leaks every few weeks is not a hobby.
ARP’s Stainless 300 series bolts are engineered to survive extreme heat cycles and vibration, maintaining consistent clamping force where cheap bolts fail.
ARP’s premium grade header stud kit is a wonderful choice to facilitate the installation of your vehicle’s exhaust headers.
Key Features
- Stainless 300 Alloy Construction
Excellent corrosion resistance and durability in high-temperature exhaust environments. - 12-Point Head Design
Easier access in tight engine bays and more precise torque application. - High-Strength Fasteners
Designed to maintain clamping force under repeated heat cycles. - Precision Rolled Threads
Ensures smooth installation and accurate torque retention. - Pack of 12 Bolts
Ideal for most header installations depending on your setup.
To take care of a reputation for “zero defects”, ensure optimum quality keep watch over, and produce fasteners of exceptionally top quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they are able to be closely monitored.
ARP 400-1402 stainless header bolt kit 12 point – Ideal Applications
- Exhaust header installation and upgrades
- Small block and LS engine setups
- Street, track, and boosted builds
- Replacement for worn or failing header hardware
If your headers keep coming loose, this is your fix.
ARP takes atypical steps to produce the very finest products of their kind available on the market lately. Manufactured from ARP’s proprietary steel alloy “Stainless 300” and polished to produce a beautiful finish, these studs are rated at 170,000 psi tensile strength, which is substantially stronger than Grade 8 hardware.
Why It Matters
Stock or low-quality bolts often lead to:
- Exhaust leaks from loosening hardware
- Corrosion and seized bolts
- Stripped heads during removal
The ARP 400-1402 kit solves all of that with stronger materials and better design, keeping your exhaust sealed and your sanity intact.
The 3/8″ diameter studs have a 1.670 overall length, and the 12 piece set comes complete with premium-quality washers and compact 12-point style nuts which can be great for tight, hard-to-reach areas.
Premium grade stud kit to facilitate installation of exhaust headers
Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
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 thinking about it.
Studs are 3/8″ in diameter and have a 1.670 overall length; 12 pieces
Manufactured from polished Stainless 300 steel, a proprietary alloy that may be impervious to rust and corrosion
Nuts are compact 12-point style, and premium-quality washers are included
Final Verdict
The ARP 400-1402 Stainless 300 Header Bolt Kit is a simple but essential upgrade for any exhaust system. Stronger, cleaner, and far more reliable than stock hardware.
Not flashy—but it works. Every time.
There are no reviews yet.