• Turbo oil and water line kit for Mazda Miata early MK1 with BorgWarner EFR 6258 6758 turbo
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Mazda MX-5 Miata (NA/NB) BorgWarner EFR Complete Turbo Oil & Water Line Kit | 1.6L 1.8L

Mazda MX-5 Miata (NA/NB) BorgWarner EFR Complete Turbo Oil & Water Line Kit | 1.6L 1.8L

$134.99 USD
$134.99 USD
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Technical Description

The definitive all-in-one plumbing fix for your EFR upgrade. Upgrading a naturally aspirated Miata to a high-value BorgWarner EFR 6258 or 6758 requires a perfectly balanced life-support loop. This GryphonTek Signature Series Kit is the only complete system that handles high-pressure delivery, unrestricted drainage, and critical water cooling in one professional package—tailored specifically to your Miata’s chassis year.

[!] Selection Guide: Match Your Chassis Year

Selection

Year / Engine

Oil Feed Source

Engine Side Fitting

Coolant Hose Size

Early NA (MK1)

1989–1993 (1.6L)

Exhaust-Side Port

Direct-Fit M10 Adapter

8mm / 5/16"

Late NA (MK1)

1994–1997 (1.8L)

Pressure Sensor Port

Precision 1/8 BSPT Tee

10mm / 3/8"

NB (MK2 / MK2.5)

1998–2005 (1.8L)

Pressure Sensor Port

Precision 1/8 BSPT Tee

10mm / 3/8"
  • Year-Specific Integration: Precision adapters bridge factory oil and coolant sources to EFR threads, eliminating sourcing guesswork and preventing block thread damage.
  • EFR Flow Logic: Features a non-restricted feed path to match EFR's internal restrictor, preventing the starvation issues common with universal "restricted" lines.
  • Extreme Thermal Resilience: Combines PTFE braided feed lines with reinforced NBR cooling/drainage paths to survive intense "Hot Side" radiant heat.
  • Harmonic Defense: Flexible plumbing architecture absorbs B6/BP vibrations, preventing the fatigue cracks common in rigid factory pipes.

Specifications & Data

Kit Included +

• -4AN High-Temp PTFE Braided Oil Feed Line
• Precision EFR-Specific Non-Restricted Inlet Fitting
• High-Temp Reinforced NBR Water Hoses
• High-Temp Reinforced NBR Oil Drain Hose
• 6061-T6 Billet Aluminum EFR Specific Drain Flange
• Interface N-8092 Non-Asbestos Gasket
• Year-Specific Block & Coolant Adapter Set
• Full Hardware Kit: High-Torque Clamps, and Copper Washers

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 +

• Materials: PTFE / 304 Stainless Braid / 6061-T6 Billet / Reinforced NBR
• Oil Control: Non-Restricted (Matches EFR Internal Design)
• Cooling Side: Year-specific 8mm (NA) or 10mm (NB) adapters included
• Benefit: Ensures perfect lubrication and prevents bearing carbonization
• Installation: 100% Bolt-on to block/turbo; requires tapping oil pan for return

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.