Description
Part Number: 25-103BK
AEM High Volume Fuel Rail – Black Anodised (Honda B-Series)
Engineered to eliminate fuel pressure drops and deliver optimal fuel distribution across high-performance Honda B-Series engines.
Key Features
- ✓ Large 1/2″ internal bore dampens fuel pulses and supports up to 1,000 HP
- ✓ Precision CNC-machined from aircraft-grade 6061-T6 billet aluminium
- ✓ Durable black anodised finish provides superior chemical and corrosion resistance
- ✓ Pre-tapped 1/8″ NPT auxiliary port for fuel pressure gauge or nitrous oxide feed
- ✓ Direct bolt-on fitment compatible with factory fuel lines and stock or aftermarket injectors
Technical Specifications
| Manufacturer | AEM Performance Electronics |
|---|---|
| Part Number | 25-103BK |
| Internal Bore Size | 1/2″ (12.7 mm) |
| Material | 6061-T6 Billet Aluminium |
| Finish | Black Anodised |
| Engine Compatibility | Honda / Acura B-Series (B16A, B16A2, B18C, B18C1, B18C5) |
| Auxiliary Port | 1/8″ NPT |
What’s Included in the Box
- 1x AEM High Volume Fuel Rail (Black Anodised)
- 1x Custom Fuel Line Fitting / Adapter
- Complete Mounting Hardware & O-Ring Kit
- Installation Guide
AEM Performance Electronics is world-renowned for precision engineering in motorsport fuel systems. At JP Racing, we supply full AEM hardware backed by technical advice and fast UK stock delivery to keep your race or fast road vehicle performing at its limit.



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