i have a 4mm vito short rod new it was bolted in a case that i was going to build. for a drag motor, i had this crank for a couple of years 300.00 i can sen pic
if its vito 4mm short rod you need the plate. when i spoke to him he told me that he was coming out with so piston that you wouldn't have to use the plate . i have one of his 4 mm cranks and i dont want to ues it because of the spacer plate