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Mazda MX-5 Miata (NA/NB) Garrett GT25R GT28R Turbo Oil Feed Line Kit | 1.0mm Restrictor

Mazda MX-5 Miata (NA/NB) Garrett GT25R GT28R Turbo Oil Feed Line Kit | 1.0mm Restrictor

Regular price $84.73 USD
Regular price Sale price $84.73 USD
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Technical Description

Protect your ball-bearing investment with year-specific precision. Upgrading your naturally aspirated Mazda Miata to a Garrett GT25R or GT28R series turbo provides elite response, but these dual ball-bearing cartridges demand strict oil pressure regulation. This GryphonTek Signature Series Kit is the professional foundation, featuring a calibrated 1.0mm restrictor and custom-matched block adapters tailored specifically to your Miata’s chassis year for a zero-leak, smoke-free conversion.

[!] Selection Guide: Match Your Chassis Year

Selection

Year / Engine

Oil Feed Source

Included Hardware

Early NA (MK1)

1989–1993 (1.6L)

Exhaust-Side Port

Direct-Fit M10 Adapter

Late NA (MK1)

1994–1997 (1.8L)

Pressure Sensor Port

Precision 1/8 BSPT Tee

NB (MK2 / MK2.5)

1998–2005 (1.8L)

Pressure Sensor Port

Precision 1/8 BSPT Tee

  • Year-Specific Integration: Custom-matched block adapters eliminate technical guesswork and prevent thread damage for every Miata generation.
  • Ball-Bearing Flow Control: Integrated 1.0mm precision restrictor prevents high-pressure flooding, protecting Garrett seals from blow-by and blue smoke.
  • Thermal Radiant Defense: Motorsport-grade PTFE braided stainless steel core handles intense radiant heat without becoming brittle.
  • Harmonic Absorption: Flexible -4AN architecture absorbs high-frequency B6/BP harmonics, eliminating the stress-cracks common in rigid pipes.

Specifications & Data

Kit Included +

• -4AN PTFE Braided Oil Feed Line (Stainless Steel Braid)
• Year-Specific Block Adapter (Custom Selected)
• Garrett Specific 1.0mm Restrictor Fitting (-4AN Flare)

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: Garrett Ball-Bearing: GT25R, GT2554R, GT2560R, GT28R, GT2860R, GT2871R

Product Specifications +

• Line Material: PTFE Core with 304 Stainless Steel Braid
• Restrictor Size: 1.0mm (Optimized for Dual Ball-Bearing)
• Benefit: Prevents turbo flooding and stops "Blue Smoke" issues
• Installation: 100% Bolt-on to specified chassis and Garrett inlet

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.