• Turbo Oil Drain Hose Kit Holden Commodore VL RB30ET with Garrett T25 T28
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Holden Commodore VL RB30ET + Garrett T25 T28 Turbo Oil Drain Hose Kit

Holden Commodore VL RB30ET + Garrett T25 T28 Turbo Oil Drain Hose Kit

$89.86 USD
$0.00 USD $89.86 USD
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Technical Description

Oil Drain System for RB30ET Upgrading to T25 / T28 Turbos

Upgrading the Holden VL RB30ET to a Garrett T25 or T28 turbo is a popular option for improved boost response and modern turbocharger reliability.

Because T25/T28 turbos use a different drain flange pattern compared to the original RB30ET Garrett T3, the factory oil drain pipe cannot be reused.

This Gryphontek turbo oil drain hose kit includes a CNC-machined T25/T28 drain flange, a heat-resistant NBR oil drain hose, mild-steel fittings, a 1 mm non-asbestos gasket, and high-tensile bolts—providing a clean, reliable oil return path for both stock-mount and top-mount installations.

Key Features

‣ Application: Holden Commodore VL RB30ET turbo engines
‣ Turbo Compatibility: Garrett T25 / T28 turbos
‣ Upgrade Requirement: OEM RB30ET oil drain cannot be reused due to different T25/T28 flange and drain geometry
‣ Hose Construction: High-temperature NBR oil drain hose suitable for continuous heat exposure
‣ Flange Material: 6061-T6 CNC-machined aluminum T25/T28 drain flange
‣ Fittings: Mild-steel oil drain fittings designed for secure sealing under RB30ET vibration
‣ Gasket: Interface N-8092 1 mm non-asbestos gasket
‣ Hardware: Stainless clamps + class 8.8 bolts
‣ Mounting Flexibility: Compatible with stock-mount and top-mount T25/T28 turbo positions
‣ Performance Benefit: Ensures reliable CHRA drainage during prolonged boost, high RPM, and elevated heat
‣ Custom Length Option: Hose length can be customized for different manifold layouts or turbo heights

Kit Includes

  • NBR turbo oil drain hose
  • 6061-T6 CNC-machined T25/T28 drain flange
  • 1 mm Interface N-8092 gasket
  • Mild-steel oil drain fittings
  • High-tensile bolts
  • Hose clamps

A Proper Oil Drain System for T25/T28 RB30ET Turbo Upgrades

Garrett T25 and T28 turbos require the correct drain flange and routing to ensure clean CHRA oil evacuation.
This Gryphontek kit delivers the ideal fitment and flow characteristics needed for upgraded RB30ET builds.

⚙️ Equip your RB30ET with an oil drain system engineered specifically for T25 / T28 turbo upgrades.

Specifications & Data

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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.