• Turbo Oil Drain Hose Kit Mazda MX5 Miata MK1 MK2 MK2.5 with BorgWarner EFR 6258 6758 turbo.
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Mazda MX-5 Miata (NA/NB) BorgWarner EFR 6258 6758 Turbo Oil Drain Hose Kit

Mazda MX-5 Miata (NA/NB) BorgWarner EFR 6258 6758 Turbo Oil Drain Hose Kit

$90.45 USD
$90.45 USD
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Technical Description

Establish a high-volume, unrestricted return path for your EFR build. The BorgWarner EFR 6258 and 6758 move significant oil volume through their bearing cartridges. To prevent back-pressure and seal failure, an efficient drainage path to the oil pan is critical. This GryphonTek Signature Series Kit provides the specific EFR-pattern hardware and high-temp plumbing needed to bridge the gap in one coordinated package.

  • EFR Specific Geometry: CNC-machined 6061-T6 billet aluminum flange with precise EFR bolt spacing ensures a perfectly flat, leak-free interface.
  • Maximum Evacuation Path: Optimized internal diameter prevents the back-pressure that causes oil to blow past EFR seals into the exhaust.
  • Industrial NBR Construction: Multi-layer reinforced oil-resistant hose remains flexible under extreme thermal cycles and absorbs high-frequency B6/BP harmonics.
  • Zero-Leak Interface: Includes premium Interface N-8092 non-asbestos gaskets and high-torque clamps for long-term sealing integrity.

Specifications & Data

Kit Included +

• High-Temp Reinforced NBR Oil Drain Hose
• 6061-T6 Billet Aluminum EFR Specific Drain Flange
• Interface N-8092 Non-Asbestos Gasket
• Oil Pan Return Fitting
• Full Hardware Kit: Stainless Steel Clamps & Mounting Bolts

Vehicle Compatibility +

• Make: Mazda
• Models: Miata / MX-5 MK1 (NA), MK2/MK2.5 (NB)
• Engines: 1.6L (B6) / 1.8L (BP) Naturally Aspirated to Turbo conversion
• Year: 1989–2005

Turbo Compatibility +

• Turbo: BorgWarner EFR 6258, 6758

Product Specifications +

• Flange Material: CNC Machined 6061-T6 Billet Aluminum
• Hose Material: Reinforced NBR
• Benefit: Prevents oil backup smoke and ensures restriction-free return
• Installation: Requires tapping the oil pan; direct bolt-on to EFR turbo

Support & Logistics

Shipping & Global Export +

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.
Import Duties & Taxes +

We’ve optimized our tax process for core markets to ensure zero hidden fees:

USA MARKET

All-inclusive pricing. No hidden duties or extra fees at delivery.

AUSTRALIA

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 & Warranty +

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).

GryphonTek Engineering — Precision Fitment. Global Delivery.