SKU: 661-1004 | UPC: 672036024420
ARP M8 x 1.25 x 35 Black Oxide Hex Bolts for Honda Acura K-Series (5/pkg)
These ARP M8 x 1.25 x 35 black oxide hex bolts come in a pack of 5 for secure fastening in high-performance applications. Designed as direct replacements for throttle body and intake manifold mounts on Honda and Acura K20 K24 engines. They provide consistent torque retention and resistance to fatigue under extreme conditions.
Key Features
- Genuine ARP Fasteners: Forged from 8740 chrome moly steel heat-treated to 200000 PSI tensile strength for dependable clamping force
- Precision-Rolled Threads: Roll-threaded after heat treat for maximum thread strength and accurate torque values every time
- Black Oxide Finish: Corrosion-resistant coating protects against rust in harsh engine bay environments
- Hex Head Design: Standard 13mm hex head allows use of common tools for fast installation
- Matched Set of 5: Complete pack matches OEM quantity for throttle body or similar hardware kits
Product Notes
- Inspect mounting holes and surfaces for debris before assembly
- Store in dry conditions to preserve black oxide finish
- Compact lightweight packaging ships without damage
Installation Notes
- Professional installation recommended.
- Clean threads and apply ARP Ultra-Torque fastener lubricant as specified
- Torque to ARP or factory specs in proper sequence typically 22-25 ft-lbs for M8
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Type-S |
| 2002-2005 | Honda | Civic Si | EP3 |
| 2006-2011 | Honda | Civic Si | – |
| 2007-2008 | Honda | S2000 | CR |
| 2002-2006 | Honda | RSX | Base |
| 2004-2008 | Honda | TSX | – |
Why Choose ARP?
- ARP leads in racing fasteners trusted by professional teams worldwide
- Extensive testing ensures strength beyond OEM requirements
- Engineered threads resist loosening from vibration and heat
Frequently Asked Questions
- Q: Will these bolts fit K20 throttle body on 2006+ Civic Si?
A: Yes ARP 661-1004 is the exact M8x1.25×35 length for K20 K24 throttle body direct bolt-on replacement - Q: What steel and finish do these bolts use?
A: Made from 8740 chrome moly steel with black oxide finish for corrosion protection and high tensile strength up to 200000 PSI - Q: What is the ARP warranty and torque procedure?
A: ARP offers a limited lifetime warranty against manufacturing defects. Use ARP lube torque in cross pattern to 22-25 ft-lbs recheck after heat cycles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective plastic sleeve in branded retail box 4in x 3in x 1in
- Weight: 0.1 lbs
