#73522 - DIFFERENTIAL SCREW AND HEAVY-DUTY NUT (2mm) SET
PRO 4/Keeps diff screw tight for consistent performance
Integrated differential nut design adds strength and prevents the differential from loosening up. Standard equipment on the Hara Edition Pro 4!
Discontinued Unfortunately, the part that you require is an older part which has been discontinued and therefore no longer available from HPI Racing. There may still be old stock available, please check with your local distributor for local retailer and stock information.