Holden VL RB30ET + Garrett GT28R GT30R GT35R Turbo Oil Feed Line Kit | 4AN Braided
Holden VL RB30ET + Garrett GT28R GT30R GT35R Turbo Oil Feed Line Kit | 4AN Braided
Couldn't load pickup availability
Swapping in a Garrett GT28R, GT30R, or GT35R turbo on your Holden VL Commodore RB30ET engine?
These ball bearing turbos require precise oil pressure and are not compatible with the factory oil feed line. This turbo oil feed line kit is designed specifically for GT-series turbos, supporting both stock mount and top mount setups.
It features a 4AN braided PTFE stainless hose, a 1.0mm oil restrictor fitting, and all required adapters for turbo and engine-side connection. Whether you’re upgrading for street or race, this is the oil supply solution your GT turbo needs.
‣ Application: Holden Commodore VL RB30ET engine
‣ Compatible with Garrett GT28R / GT30R / GT35R ball bearing turbos
‣ Includes 1.0mm oil restrictor fitting to protect turbo bearings
‣ Supports both stock mount and top mount configurations
‣ 4AN pre-crimped PTFE braided stainless oil line
‣ Includes engine-side adapter and copper crush washer
‣ Designed to replace OEM line and fit GT-series oil inlet
‣ Heat- and pressure-resistant construction
‣ Custom line length available upon request
‣ In stock and ready to ship
Ball bearing GT turbos like GT28R / GT30R / GT35R demand controlled oil flow.
This kit solves the problem of over-oiling and mismatched fittings with a complete bolt-on solution.
📦 All components are in stock.
📐 Need a custom hose length? Leave your specs at checkout or message us.
⚠️ U.S. Customers Notice:
⚠️ U.S. Customers Notice:
According to the latest U.S. trade policy, effective immediately:
- The $800 de minimis tariff exemption has been removed. All international shipments may now be subject to import duties, regardless of value.
- Under Section 232, imports of steel and aluminum products are subject to a 50% tariff.
⚠️ Please consider these potential charges before placing your order.
All duties and tariffs are imposed by U.S. Customs and are not included in the product price.




IN CASE YOU'RE WONDERING
DUTIES & TAXES NOTICE
All duties, tariffs, and import taxes are not included in the product price.
Any additional charges are imposed by Customs and vary by country.
For accurate information, please contact your local customs office or tax authority.
DELIVERY TIMEFRAMES
Our transit times based on deliveries to major cities and are quoted in working days. Please note deliveries to remote areas may take longer.
Most parcels are arriving on time, but delays may be experienced because of the global reduction of flights and extreme weather conditions. Thanks so much for your patience!
SHIPPING POLICY
We are based in Taiwan and ship to worldwide. Our shipping services include standard and express options with tracking numbers. International customers are responsible for any and all taxes, duties, or other additional fees associated with the delivery.
Depending on the country, the shipping methods may vary.
Standard shipping is handled by EMS, USPS, Australia Post, and MyTeamGE, while express shipping is done through DHL Express and FedEx Express.
The items are shipped within 1 business days from confirmation of your order. Business days do not include Saturday, Sunday or International holidays. The shipping time is 3 to 12 days depending on the delivery location. Goods are might shipped from different warehouses at different locations to make it the most convenient for customers.
Please note that once you have placed an order, it is no longer possible to modify your shipping address. All orders are processed automatically and we are unable to expedite or delay shipping times.
REFUND POLICY
Returns
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error
- Any item that is returned more than 30 days after delivery
Refunds
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at gryphon@gryphontek.com.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at gryphon@gryphontek.com
Shipping
To return your product, you will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.