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Nissan RB20DET RB25DET RB30 + Holset Super HX30W Turbo Oil Drain Hose Kit
Nissan RB20DET RB25DET RB30 + Holset Super HX30W Turbo Oil Drain Hose Kit
Regular price
$99.70 USD
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$99.70 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
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June 22
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Technical support remains active during the holiday period.
Technical Description
High-Flow Oil Drain System for RB Engines Running Super HX30W Top-Mount Turbos
The Holset Super HX30W is a highly efficient high-flow turbo option for RB20DET, RB25DET, and RB30 builds, offering quick spool with strong mid–upper RPM power.
Due to its elevated mounting height and larger CHRA oil volume, a high-flow oil drain solution is required to maintain proper oil evacuation and prevent CHRA pooling—especially on top-mount manifold setups.
This Gryphontek turbo oil drain hose kit features a CNC-machined Holset-pattern drain flange with an enlarged bottom port, a large-diameter high-temperature NBR drain hose, steel fittings, a 1 mm non-asbestos gasket, and high-tensile hardware.
Engineered for the demands of high-flow Holset turbos, it provides a smooth, unrestricted oil return path for RB top-mount installations.
Key Features
‣ Application: Nissan RB20DET / RB25DET / RB30 — Skyline R32 / R33 / R34 (top-mount turbo setups)
‣ Turbo Compatibility: Holset Super HX30W
‣ High-Flow Design: Enlarged drain passage and hose diameter to support increased Holset oil volume
‣ Hose Construction: Large-diameter high-temp NBR oil drain hose for consistent drainage at elevated turbo height
‣ Flange Material: 6061-T6 CNC-machined aluminum Holset drain flange
‣ Fittings: Mild-steel drain fittings with stable sealing for RB vibration and heat
‣ Gasket: Interface N-8092 1 mm non-asbestos gasket
‣ Hardware: Stainless clamps + class 8.8 bolts
‣ Performance Benefit: Prevents CHRA oil pooling under boost, extended RPM, and high turbine temperature
‣ Custom Length Option: Hose length can be customized for various turbo heights or manifold layouts
Kit Includes
- Large-diameter high-flow NBR turbo oil drain hose
- 6061-T6 CNC-machined Holset Super HX30W drain flange（enlarged bottom port）
- 1 mm Interface N-8092 gasket
- Mild-steel drain fittings
- High-tensile bolts
- Hose clamps
High-Flow Oil Return for Holset Super HX30W RB Top-Mount Builds
High-flow Holset turbos demand a properly sized oil return path—especially when mounted high on RB top-mount manifolds.
This Gryphontek kit provides the correct oversized flange, hose, and hardware to keep your HX30W draining smoothly.
⚙️ Upgrade your RB top-mount turbo build with a high-flow oil drain system engineered for the Holset Super HX30W.
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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.
