This 14mm diameter injector adaptor converts ‘short’ injectors (45 to 50mm) for use on assemblies requiring a length of 60mm.

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Made from grey anodised CNC machined aluminium, it is supplied with the injector gasket (version without crimped filter).

In certain configurations (swap, engine preparation, rail conversion), it is common to have a problem with injector length:

➡️ your manifold requires a length of 60mm
but your injectors are only 45 to 50mm long.

Result :

• poor seating in the injector well
• leaky seals
• poor alignment and impossible assembly

✅ This adapter allows you to extend and adapt your injectors for a clean and reliable fit.

It is designed for 14mm diameter injectors ( Siemens / Bosch EV1 type), particularly those used on performance assemblies (Siemens DEKA, EV1…).

⚪ Version without integrated filter
This model is deliberately without a crimped filter, which allows:

• direct passage (no additional restrictions)
• ideal installation if you already use a high-quality fuel filter upstream
• a configuration suitable for very clean, well-filtered petrol/E85 circuits

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⚙️ Technical specifications

• Type : Injector adapter/extension
• Material: CNC machined aluminium
• Finish: Grey anodised
• Adapter height: 23 mm
• Bottom diameter: 14 mm (designed for 14 mm Siemens / Bosch EV1 type injectors)
• Top diameter: 11 mm
• Top O-ring: Ø 14 mm
• Filter: no (no filter crimped)
• Injector gasket: included
• Function : 45-50mm injectors conversion → 60mm mounting

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🧰 Applications

• Adapting injectors to specific manifolds
• Turbo / E85 engine preparation
• Fitting Siemens DEKA / Bosch EV1 injectors to mounting requiring 60mm length
• Engine swap
• Injection refurbishment / upgrade

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🔧 Autosport Discount Tips

• Lightly lubricate seals with fuel compatible grease before fitting
• Check that the injector and adaptor fit together perfectly
• Check for leaks after fitting (pressurisation)
• Recommended: use a quality fuel filter upstream

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✅ Product benefits

• ✅ Solves injector length problems (45-50mm to 60mm)
• ✅ Compatible with 14mm Siemens / Bosch EV1 injectors
• ✅ Version without filter: direct passage, no restrictions
• ✅ Injector gasket included
• ✅ Grey anodised CNC aluminium (quality + sober look)
• ✅ Clean, reliable and durable assembly
• ✅ Perfect for turbo / E85 preparations
• ✅ Essential for performance ramps