logo_PrinsWe can convert all types of tournament boats and sports boats to run on LPG  form PCM, Indmar, Mercuiser to Ilmor. We can convert your engine with the latest multi point Prins VSI LPG system or induction system if you prefer.

Prins_VSI_injectorrail_3FACTORY TRAINED

We are the only Tournament boat dealer in the UK to have been factory trained by Prins to fit the system to both PCM Indmar or Illmore engines, All conversion are carried out in house and lake tested after the installation is complete.

We also have all the correct mapping for both types of engines and carry a wide range of service parts for both types of  LPG conversion. We are also listed on the Prins UK website as the only marine agent to fit Prins VSI.

Every Prins VSi 2 kit we fit comes with two years warranty and is made up of the following parts


• OEM quality injector.
• Lifespan at least 290.000.000 cycles or 240.000 km -> 2 year unlimited warranty!
• Excellent linear flow range (linear 2% accuracy form min to max flow). Linear flow starting from 2,5 msec.
• Low-resistance 1,25 Ω.
• 5 injector sizes for engine capacities from 9 kW till 45 kW each cylinder.


• R67-01 & CSA homologated
• Compact design: Ø125*95mm
• Solid design: tested with 60 bar burst pressure
• Black anodised aluminium
• Membranes & Vulcanised Seat & O-rings: tested in several conditions under temperatures from -30ºC till +120º C (other specs optional)
• Over pressure is vented via 6mm hose to inlet manifold
• Adjustable pressure: 1,7 –2,6 Bar
• System pressure control with single stage valve.
• System pressure is independent to inlet pressure (MAP). (This is due to linear flow character of injector).
• Optional MAP connection. (for turbo charged engines).
• Very Stable dynamic pressure behaviour compared to other single stage reducers.
• Flexible lock off valve both standard as BFC as well.
• Integrated temperature sensor. (NTC resistor, R=2500 ohm at 20°C).

The fuel switch used by the VSI-system controls the following functions:

• Fuel choice.
• Monitoring the fuel level.
• Reporting errors.


We are the biggest converter of boats to LPG in the UK. Over the years we have found that there is no better LPG system for use on a torment boat than Prins VSI.


With prices starting from £1200 + vat you will start enjoying cheaper boating in no time.

  • Contact Us

    9am – 4.30pm Monday to Friday call 01543 897180

    Out of the above hours, for service and parts call Anthony on 07957 395956 or for New and Used boat sales call Jason 07966 220368

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