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Ni770002FuelDefend NeckIt! fuel tank anti-siphon devices (ASD) are the premium line of defense against fuel theft. With no hole greater than ¼”, NeckIt! devices prevent siphoning of your valuable fuel.

Anti Siphon

The world’s first fuel anti-siphon device (ASD) with an anti-splash valve (ASV) for FUEL SECURITY and FUEL SAFETY.

Overfilled tanks, forgotten fuel caps, missing fuel caps, broken fuel caps. Diesel on the road can be as slippery as black ice. It’s dangerous for all road users, but motorcyclists are particularly at risk. 

Neck-It!® saves your fuel from being stolen by organised, opportunistic thieves and regular small scale skims. Use Neck-It!® and quite simply, once your fuel is in, it can't be removed.

  • Stops Siphoning to Top of the Tank
  • Rapid Fit No Gluing, No Drilling, No Damage to Tank Neck
  • No Splashback/No Welling
  • Tested to 120 litres/min (50 gallons/min for US High Flow Pumps)
  • Bayonet & Screw Fittings Available
  • Interchangeable Between Vehicle
  • 3yr Guarantee
  • Single Piece Aluminium
  • Customs & Police Compliant

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