• Turbo Water Line Kit Mazda MX5 Miata MK1 with Garrett GT25R GT28R
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Mazda MX-5 Miata (NA/NB) Garrett GT25R GT28R Turbo Water Line Kit | 1.6L 1.8L Cooling Fix

Mazda MX-5 Miata (NA/NB) Garrett GT25R GT28R Turbo Water Line Kit | 1.6L 1.8L Cooling Fix

$90.65 USD
$90.65 USD
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JUNE HOLIDAY SHIPPING UPDATE

Please be advised that June 17 is our final shipping date before the upcoming national holiday break.

June 17 Last Dispatch
June 18-21 No Shipping
June 22 Regular Resumes

Technical support remains active during the holiday period.

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Technical Description

The essential cooling infrastructure to finalize your Garrett upgrade with confidence. Converting a naturally aspirated Mazda Miata to a water-cooled Garrett GT25R or GT28R series turbocharger requires a reliable bridge to the engine’s coolant circuit. This GryphonTek Signature Series Kit provides a coordinated package of reinforced hoses and specific fittings required to bridge the Miata’s Thermostat Case and Mixing Manifold to the Garrett core—ensuring your turbo stays healthy and your build stays on the road.

[!] Selection Guide: Match Your Chassis

Selection

Year / Chassis

Coolant Hose Size

NA (MK1)

1989–1997

8mm / 5/16"

NB (MK2 / 2.5)

1998–2005

10mm / 3/8"
  • Precision Barb Integration: Pre-matched adapters bridge factory 8mm or 10mm Thermostat Case sources to Garrett threads, eliminating sourcing guesswork and part-hunting.
  • Industrial NBR Construction: Multi-layer reinforced NBR hoses remain flexible under extreme thermal cycles and resist cooling system pressure spikes.
  • Harmonic Defense: Flexible plumbing architecture absorbs B6/BP engine vibrations, preventing the fatigue cracks common in rigid custom pipes.
  • Zero-Leak Interface: Includes copper washers and clamps for a permanent, high-pressure seal.

Specifications & Data

Kit Included +

• High-Temp Reinforced NBR Water Hoses
• Garrett-Specific Turbo Water Port Adapters
• Miata Cooling System Barb Fittings (Mixing Manifold & Water Neck)
• Full Hardware Kit: 1mm Copper Washers and Mild Steel Fittings

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, GTX-Series

Product Specifications +

• Hose Material: Multi-Layer Reinforced NBR (Nitrile)
• Fitting Material: Mild Steel (Anti-Corrosion Finish)
• Benefit: Prevents oil coking and saves hours of sourcing individual parts
• Installation: 100% Bolt-on to specified coolant source points

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.