Nissan RB20DET RB25DET RB30 + BorgWarner EFR Turbo Oil Feed Line Kit｜4AN Braided
Nissan RB20DET RB25DET RB30 + BorgWarner EFR Turbo Oil Feed Line Kit｜4AN Braided
Couldn't load pickup availability
Running a BorgWarner EFR turbo on your RB20DET, RB25DET, or RB30 engine?
Whether you're installing a 7670, 8374, or even a 9280, these top-mount turbos are equipped with an internal oil restrictor—but they still need a reliable, high-temp braided oil feed line to perform properly.
This kit includes a 4AN braided PTFE oil line, engine-side adapter, and all required fittings to connect directly to your EFR turbo—no restrictor fitting needed.
‣ Engine compatibility: RB20DET / RB25DET / RB30
‣ Turbo compatibility: All BorgWarner EFR models
‣ Top mount only configuration
‣ Internal restrictor—no restrictor fitting required
‣ Includes 4AN pre-crimped PTFE braided stainless steel oil line
‣ Engine-side oil adapter + copper crush washer
‣ Direct-fit 4AN fitting to EFR turbo oil port
‣ Designed to withstand high pressure and extreme temps
‣ Custom hose length available
‣ In stock and ready to ship
Installing an EFR on your RB engine?
This kit provides a hassle-free oil supply solution—no extra restrictor, no guesswork, just plug and play with high durability and proper flow.
📦 Kits ship from stock.
📐 Custom length? Leave a note at checkout.
⚠️ 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.
- Imports are generally subject to a 25% tariff, but under Section 232, imports of steel and aluminum products may be subject to a 50% tariff.
⚠️ Please consider these potential charges before placing your order. Final duty rates are determined solely by U.S. Customs.
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.