SKU: 660-1005 | UPC: 672036025205
ARP M6 x 1.00 x 40 Black Oxide Hex Bolts (5/pkg)
ARP M6 x 1.00 x 40 Black Oxide Hex Bolts come in convenient 5-packs for performance engine hardware needs. These fasteners fit metric bolt locations on popular engines like Honda K-Series, Nissan SR20, Subaru EJ-Series, and Toyota 2JZ for valve covers, oil pans, intake manifolds, and brackets. They ensure secure clamping under extreme heat and vibration for dependable results in street and race setups.
Key Features
- Genuine ARP Fasteners: Built with high-tensile 8740 alloy steel for consistent clamping force and resistance to fatigue failure
- Precision-Rolled Threads: Provide maximum thread engagement and accurate torque values for leak-free seals
- Black Oxide Finish: Resists corrosion and galling in harsh engine environments
- 40mm Length: Matches common metric hardware specs for direct replacement in performance assemblies
- 5-Pack Quantity: Supplies exact quantities needed for most valve cover or accessory bolt jobs
Product Notes
- Inspect and clean all mating surfaces prior to installation for best results
- Store in dry conditions to maintain finish integrity
- Compact packaging suits quick shipping and easy inventory
Installation Notes
- Professional installation recommended.
- Clean threads thoroughly and apply ARP Ultra-Torque lubricant as specified
- Torque to ARP or OEM specs in proper sequence. recheck after heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2011 | Acura | RSX | Type-S (K20A2) |
| 2006-2015 | Honda | Civic | Si (K20Z3) |
| 1999-2008 | Subaru | Impreza WRX | STI (EJ25) |
| 1993-1998 | Toyota | Supra | Turbo (2JZ-GTE) |
| 1990-2002 | Nissan | 240SX | SE/LE (SR20DET) |
Why Choose ARP?
- Proven in NHRA, NASCAR, and endurance racing for decades
- Proprietary heat treatment delivers 200,000 psi tensile strength
- CNC-machined to exact tolerances for repeatable performance
Frequently Asked Questions
- Q: What engine applications do these bolts support?
A: Perfect for M6 x 40mm locations on Honda K20/K24, Subaru EJ25, Nissan SR20DET, Toyota 2JZ, and similar metric performance engines including valve covers, oil pans, and throttle bodies. - Q: What material and finish are used?
A: Forged 8740 chrome-moly steel with black oxide coating for superior strength, corrosion resistance, and reduced friction during torquing. - Q: What installation and torque guidelines apply?
A: Use ARP Ultra-Torque lube, follow ARP torque charts (typically 12-18 ft-lbs for M6), and apply in cross-pattern sequence. re-torque after 500 miles.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Sealed poly sleeve in 4 x 3 x 1 inch carton
- Weight: 0.10 lbs
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