ZAMP - RZ-42Y Youth Kart Helmet All eyes will be on you with the striking RZ-42Y Youth Karting Helmet!This CMR2016 rated helmet is made especially for younger racers and comes in many graphic styles all in stock for immediate shipping here at KartingWarehouse! Get the Look: ZAMP - RZ-42Y Youth CMR2016 Karting Helmet ZAMP - Z20 Helmet Shields - Fits All RZ Models