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SKU: 300-8355 | UPC: 672036012526
ARP M10 x1.5 1/2in 12pt Black Nut Kit (Set of 2) for Honda Civic/Integra/Prelude 1986-2005
Secure exhaust headers on Honda Civic Integra and Prelude models from 1986 to 2005 with this ARP M10 x1.5 1/2in 12pt black nut kit set of 2. These nuts provide reliable clamping force for B-series D-series and H-series engines using M10x1.5 header bolts. Built to endure high heat and vibration they maintain tight connections for dependable exhaust performance during street or track use.
Key Features
- 12-Point Design: Provides multiple contact points for high torque application without stripping or rounding bolt heads even under extreme conditions
- M10 x 1.5 Threads: Precision machined for exact fit on factory or aftermarket header bolts common in Honda and Acura applications
- 1/2in Height: Offers optimal thread engagement and clearance in tight manifold spaces
- Black Oxide Finish: Shields against corrosion rust and exhaust gases for long-lasting durability in harsh underhood environments
- High-Strength Steel: Forged from premium 8740 chromoly alloy rated for over 200000 psi tensile strength to withstand racing stress
Product Notes
- Use ARP-approved thread lubricant or anti-seize compound during installation for smooth torquing
- Torque to 25-30 ft-lbs depending on gasket and header specs to avoid over-tightening
- Packaged in protective plastic for damage-free arrival
Installation Notes
- Professional installation recommended.
- Verify bolt threads are clean and undamaged before assembly
- Compatible with 12-point M10x1.5 header bolts on Skunk2 Blox and stock manifolds
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-2001 | Acura | Integra | All |
| 1988-1991 | Honda | Civic | Si HF DX EX |
| 1992-2000 | Honda | Civic | All |
| 2001-2005 | Honda | Civic | EM2 EP3 ES1 |
| 1988-1991 | Honda | CRX | Si HF DX |
| 1993-1997 | Honda | Civic del Sol | S VTEC Si |
| 1988-2001 | Honda | Prelude | All |
| 1991-2005 | Acura | NSX | All |
| 1989-1998 | Nissan | 240SX | SE S14 |
Why Choose ARP?
- Trusted by NHRA Top Fuel teams and circle track racers for unbreakable reliability
- Meets or exceeds SAE ARP5675 aerospace standards for fastener integrity
- CNC-ground threads and heat-treated for consistent clamping under boost and heat
Frequently Asked Questions
-
Q: Does this fit B18 or D16 header bolts on EG EK chassis Civics?
A: Yes M10x1.5 threads match perfectly on B-series D-series and K-series headers for 1988-2005 Civic Integra and del Sol models -
Q: What material and finish do these nuts have?
A: Made from 8740 chromoly steel with black oxide coating for superior rust resistance and heat tolerance up to 500F -
Q: What is the warranty and torque spec?
A: ARP offers limited lifetime warranty against manufacturing defects. Torque to 28 ft-lbs dry or 25 ft-lbs with lubricant
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact poly bag in 4in x 3in x 1in box
- Weight: 0.1 lbs
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