PULLEY RETAINING NUTS

RCD sprocket retaining nuts are made to work in conjunction with RCD threaded hubs providing a secure clamp for the blower pulley and degree ring. Retaining nuts consist of a steel or titanium core with a left-hand thread and a free spinning cupped aluminum washer. These parts are machined with a 2.75" hex and six evenly spaced holes for a spanner wrench, RCD offers a hex socket (PN# 450520-05) made to tighten this nut.