RB25 VCT hub S1 - S2

$350.00
$350.00
Tax included.
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Product Description

⚙️ Used RB25 S1/S2 VCT Hub 
Fitted with Boost Doc Adjustable VCT Kit

🔧 Description

Genuine RB25 S1 S2 Variable Cam Timing (VCT) hub fitted with a Boost Doc adjustable VCT kit, designed to fine-tune cam phasing for improved performance and tuning flexibility.  Perfect for building horsepower or torque.

This is a used OEM VCT hub, modified with Boost Doc’s precision billet adjustment system — allowing accurate degreeing up to 15 degrees cam control on NEO engines.
Perfect for tuners, builders, or anyone chasing optimized power delivery across the rev range.

- reliability of OEM with the tunability of aftermarket vernier gears

⚙️ Features & Details

✅ Genuine RB25 S1 - S2 VCT Hub
– OEM fitment for all RB25DET Hydraulic RB25 heads 
– Factory oil-fed advance system

✅ Fitted with Boost Doc Adjustable Kit
– Allows manual fine-tuning of cam timing
– CNC billet adjuster ring & set hardware installed
– Designed and machined in Australia

✅ Used, Functional Condition
– Sold exactly as shown in the photos
– Missing retaining bolt and front cover bung

✅ Ideal For:
– Engine rebuilds or VCT replacements
– Tuners degreeing camshaft timing
– RB25 NEO performance upgrades

🧠 Notes:

  • Scarcity: Used RB25 hubs with adjustable kits are hard to source.

  • Value Focus: Already fitted and ready to go — no need to buy both separately.

  • Credibility: Boost Doc name builds trust in precision and local quality.

  • Transparency: Sold “as pictured” — no hidden surprises.

-Perfect blend of OEM reliability and tuner-grade control.
-Save time — already set up and ready to install.
-Hard to find part — grab it while you can.

📦 What’s Included

  • 1× Used RB25 VCT Hub

  • 1× Installed Boost Doc Adjustable VCT Kit

  • ❌ No retaining bolt or front cover bung included

🚗 Compatibility

  • Nissan RB25DET NEO (R34 Skyline GT-T, Stagea RS Four S, etc.)

  • Direct fit for RB25 VCT cylinder heads

  • Compatible with OEM and aftermarket camshafts

🛒 Buy now -->

Get the best of both worlds — OEM precision with adjustable performance.
Perfect for serious RB tuners and engine builders chasing every degree of control.

🧩 Add to Cart Now — limited used stock available, 1 unit only
📸 Check photos carefully — sold exactly as shown.

Shipping & Return

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Boost Doc prides itself on customer service, and we want happy customers and will provide a repair, replacement or refund for faulty products.

We will not refund if you simply changed your mind, found it cheaper somewhere else, decided you did not like the purchase or had no use for it.

But you can choose a refund or replacement if an item is found to be faulty.

GO TO REFUNDS PAGE