HP5 Stroker Shaft - 1GD/4JJ3 Stroker Shaft - 18mm - Fusetech

✅ 50% Stroke Increase | ✅ Built for High RPM Delivery | ✅ Made in Thailand 🇹🇭

Unleash the full fuel delivery potential of your HP5 pump with the Fusetech 18mm Stroker Shaft – designed specifically for 1GD-FTV and 4JJ3 engines. This precision-machined upgrade increases stroke from the factory 12mm to a massive 18mm — a +50% lift gain that delivers higher rail pressure and better fuel volume at every RPM.

🔥 Why Upgrade to an 18mm HP5 Stroker Shaft?

• +50% Stroke Increase: Stock stroke is 12mm – this shaft delivers 18mm for serious fueling gains
• High-RPM Ready: Supports aggressive tuning and bigger injectors without pressure drop-off
• Precision Machined: Designed for long-term reliability under extreme loads
• Made in Thailand: Engineered and manufactured to exacting standards by Fusetech

✅ Suits the Following Models:

• 1GD-FTV: Toyota Hilux, Prado & Fortuner (Pre I-ART System)
  
  
• 4JJ3: Isuzu D-MAX, MU-X & Mazda BT-50 (2020+)

💵 Buy Now, Pay Later

Flexible payment options available through Afterpay, Humm, Klarna, and Zip.

🚚 Free Express Shipping Australia-Wide

Fast dispatch with tracking — typically ships same or next business day. (sometimes can take 2-3 weeks if not in stock, please send us a message if you need this urgently)

Perfect for high-performance builds chasing more rail pressure, cleaner combustion, and peak diesel output — this is the stroker shaft your HP5 pump needs.