This kit is for replacing wiring inside all WRC, DES, ST5 and ST4 rally helmets, it fits into the built in comm port, simply unscrew your old electronics from the helmet casing and replace with this kit. This WRC replacement rally electronics kit allows you to convert an ST5 GT or ST5 F helmet to use 'full rally' electronics. Please note that this kit is not compatiable with the Stilo Trophy Jet, Rally or Plus model helmets.
DELIVERY LEAD TIME (when out of stock): approx. 12-14 working days. Lead time may be longer if the product is not in stock with the manufacturer.