I have the 250 and 350 Honda sixes, also the Moto Guzzi 500cc 8 cylinder, the Benelli 250cc & 350cc fours, the AJS 7R, the Norton Manx, the 500cc 3 & 4cylinder all by Protar in my collection of bikes to build.
Not bragging, just stating facts.
From a Lisburnman in Canada.