TOYOTA 4AGE 20V BLACKTOP STRAIGHT ITB ADAPTER FOR TOP-FEED INJECTORS 
Precision engineered for performance enthusiasts.
✅ Fully billet CNC machined from high-quality Aluminium 6061-T6
✅ Fuel rail and injector ports machined for 14mm bore injectors
✅ Includes billet fuel rail brackets for long injectors
✅ Adjustable stainless steel brackets included for shorter injectors
✅ Custom injector port sizing available , simply leave us a note when ordering
💨 Includes our Vacuum Distribution Block
The vacuum block provides a stable and equalized vacuum signal from all throttle bodies, improving MAP sensor readings, fuel pressure regulator operation, brake booster functionality, idle stability, and overall engine tuning consistency.
❄️ Includes Thermal Teflon Gasket
Helps reduce heat transfer from the cylinder head to the ITBs, keeping intake air temperatures lower for improved performance and efficiency.
🔄 Designed to suit original or CNC Innovations billet 4AGE 20V ITBs
Additional mounting points are machined exactly 180° opposite the original orientation, allowing you to rotate the ITBs and route your intake setup exactly the way you want.
📏 Available Internal Diameters:
• ID45mm (Silvertop)
• ID47.5mm (Blacktop)
• ID50mm Oversize
Custom sizes available upon request.
🎨 Custom anodizing colours available
🏁 Custom logo engraving available
🌎 Shipping worldwide
Built for racers, tuners, and enthusiasts who demand quality, precision, and flexibility.