I have a fresh motor built buy Larry a few years back untuned . Started a least three times .Welded crank kz1000 j bottom end gpz1100 jug punched out to 1134 for 13:1 pop up pistons ssvalves big lift nitrous cam and all port head work done buy Larry himself. flowbenched new starter billet clutch basket,brand new 38 mm Lectron carbs basically it’s set up for alcohol all you need is the alcohol needles for the carbs . I think they run about 100.00 bucks a pice. The crank was welded in Canada buy one of Larys guys.i have the GPZ 1100 head everybody looks for. Heads cut for the big springs.i do have some pictures if interested.