the jan de groot engine came via the hgs factory, via roland from hardcore racing (uk) he is the uk importer for hgs it was a" right place at the right time" thing there was only two left , most going to go kart racing ive had it about four + years now hardly used it took it out of my kx250 and put the standard one back in when i sold it .
its a bit of a mad spec ( see my facebook for photos etc jerry howell )double sparks in first two gears, Ti studs , fixings magnesium covers etc