SKU: 31885B
Wheel Mate Muteki Open End Lug Nuts Deep Black 12×1.25
The Wheel Mate 31885B Muteki open-end lug nuts are the premium lightweight tuner lugs in deep black finish. 60° conical seat, oversized 20mm hex with knurled ends cold-forged chrome-moly steel construction delivers maximum strength and easy installation/removal for aftermarket wheels with open-end design.
Key Features
- Open-End Design: Fits extended wheel studs and tuner-style wheels
- Deep Black Finish: Durable multi-layer coating resists corrosion
- 20mm Oversized Hex: Easy wrench access with knurled ends for hand tightening
- Cold-Forged SCM435 Steel: Stronger than OEM lugs with precise threads
Specifications
| Specification | Detail |
|---|---|
| Part Number | 31885B |
| Thread Pitch | M12 x 1.25 |
| Seat | 60° Conical |
| Style | Open End |
| Hex Size | 20 mm |
| Color | Deep Black |
| Quantity | 20 Lug Nuts + Key |
| Country of Origin | Japan |
| Warranty | Limited Lifetime |
Product Notes
- Universal M12x1.25
- Fits most Subaru, Mitsubishi, Mazda, Scion, and select Honda/Acura models
Installation Notes
- Installation Time: 15-30 minutes
- Torque to manufacturer spec (typically 80-90 ft-lbs)
- Use included key adapter
This Part Fits
| Application | Common Vehicles |
|---|---|
| M12 x 1.25 Thread | Subaru WRX/STI, Mitsubishi Evo, Mazda RX-7/RX-8, Scion FR-S/BRZ |
Why Choose Wheel Mate Muteki?
- Japan’s premier tuner lug nut standard since 2002
- Cold-forged construction for maximum strength
- Trusted by enthusiasts and race teams worldwide
Frequently Asked Questions
- Q: How many lugs included?
A: 20 lugs + 1 key adapter. - Q: Will these fit factory wheels?
A: Yes, but designed for aftermarket wheels with open-end studs. - Q: Are they locking?
A: No, standard open-end (locking version available separately).
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: Typically In stock ships same or next business day
- Packaging: Official Wheel Mate retail box
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