• Turbo oil feed line kit for Mazda MX-5 Miata early MK1 with IHI VJ35 journal-bearing turbo conversion, 4AN PTFE stainless braided hose with 1.8 mm restricted adapter fitting and copper crush washer.
  • PTFE Teflon stainless braided hose for turbo, heat-resistant and durable
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Mazda MX-5 Miata NA/NB IHI VJ35 Turbo Oil Feed Line Kit | 1.8mm Restrictor

Mazda MX-5 Miata NA/NB IHI VJ35 Turbo Oil Feed Line Kit | 1.8mm Restrictor

$84.85 USD
$84.85 USD
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Technical Description

This turbo oil feed line kit is designed for Mazda MX-5 Miata NA (MK1) and NB (MK2/MK2.5) models being converted from naturally aspirated to turbo using the IHI RHF5 VJ35 turbocharger. It connects the engine oil supply to the VJ35 inlet through a flexible -4AN PTFE stainless-braided line.

The VJ35 turbo-side fitting includes a 1.8 mm restrictor, providing the specified oil-feed configuration for this kit. The PTFE inner hose is designed for pressurized engine oil, while the stainless steel outer braid provides protection and allows flexible routing around the exhaust manifold and turbo installation.

Key Features

  • Application specific engine connection: Available for Early NA 1.6L, Late NA 1.8L, and NB 1.8L oil-feed arrangements.
  • VJ35 specific oil inlet fitting: Includes a 1.8 mm restrictor configured for the IHI RHF5 VJ35 turbocharger.
  • -4AN PTFE oil feed line: Uses a PTFE inner hose with a 304 stainless steel outer braid for pressurized turbo oil delivery.
  • Flexible routing: Allows the feed line to be positioned around the manifold and turbo location of a custom conversion build.

Not sure which application fits your build? View the Mazda Miata NA/NB Turbo Oil & Water Line Fitment Guide before ordering.

Specifications & Data

Kit Included +

• -4AN PTFE stainless braided turbo oil feed line
• IHI VJ35 specific 1.8 mm restrictor fitting
• Application specific engine side oil fitting
• Required adapters and copper sealing washer

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

Turbo Compatibility +

• Turbo: IHI RHF5 VJ35 (Mazdaspeed Miata Factory Turbo)

Product Specifications +

• System: Pressurized turbo oil feed
• Line Size: -4AN
• Inner Hose Material: PTFE
• Outer Braid Material: 304 stainless steel
• Oil Restrictor Size: 1.8 mm
• Turbo Side Connection: IHI VJ35 specific restrictor fitting

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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.
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*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.