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 24H.
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Worldwide
DHL, FEDEX, EMSFast Ship
24H DispatchFree Ship
AU/US & MoreTailored
Customizable30-Day
ReturnsSecured
SSL EncryptedGryphonTek will be observing public holidays from Apr 3 to Apr 6. Orders placed during this period will be processed and dispatched starting Tuesday, April 7.
Our technical support remains available for fitment inquiries. We appreciate your patience.

Prevent turbo seal leaks and excessive oil flow with our Turbo Oil Feed Restrictor Adapter & Banjo Bolt. Designed to regulate oil supply, these fittings help eliminate smokey turbos and oil seepage into the exhaust system.
🔹 Fitting thread sizes:
‣ 4AN to M10x1.0 (1.8mm restrictor)
‣ 4AN to M10x1.25 (1.8mm restrictor)
‣ 4AN to M10x1.5 (1.8mm restrictor)
‣ 4AN to M12x1.25 (1.8mm restrictor)
‣ 4AN to M12x1.5 (1.8mm restrictor)
🔹 Key Features:
‣ Optimized oil flow to prevent turbo over-oiling
‣ Eliminates turbo smoke by reducing oil seepage
‣ Includes copper crush washers for a secure and leak-free seal
‣ Electroplated mild steel for corrosion resistance
Ensure proper lubrication and extend the life of your turbo with our premium restrictor fittings!
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: Import duties are determined by local customs and 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).