Proudly exported to 75+ countries. All orders are dispatched via DHL Express, FedEx, or EMS from our Taiwan hub.
- AU / USA: 3-5 Business Days.
- Rest of World: 5-12 Business Days.
- Tracking: End-to-end tracking number provided within 48H.
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Worldwide
DHL, FEDEX, EMSFast Ship
48H DispatchFree Ship
AU/US & MoreTailored
Customizable30-Day
ReturnsSecured
SSL EncryptedPlease be advised that June 17 is our final shipping date before the upcoming national holiday break.
Technical support remains active during the holiday period.

Secure your Toyota 2RZ or 3RZ exhaust manifold with confidence. This upgraded stud and nut combo is designed to withstand thermal cycling and torque stress, delivering consistent seal and lasting durability in demanding conditions.
The studs feature a built-in inner hex for hassle-free install, while the locking flange nuts resist vibration and thermal expansion — ensuring your manifold stays tightly mounted without backing out.
🔧 Key Features
‣ Tailored fit for Toyota 2RZ & 3RZ 4-cylinder engines
‣ Built-in inner hex for precise stud installation
‣ Top-lock flange nuts offer superior resistance to loosening
‣ Ideal for stock or modified exhaust manifolds
‣ Made to outlast OEM fasteners under heat and load
Proudly exported to 75+ countries. All orders are dispatched via DHL Express, FedEx, or EMS from our Taiwan hub.
We’ve optimized our tax process for core markets to ensure zero hidden fees:
All-inclusive pricing. No hidden duties or extra fees at delivery.
Orders under AUD 1,000 are typically tax-free. No GST surprises.
*Other Countries: All import duties and carrier processing fees are the buyer's responsibility.
30-Day Returns: Return or exchange within 30 days of delivery. (Shipping at buyer's expense).
Limited Lifetime Warranty: Covers manufacturing defects. (Excludes racing misuse).