Jr. / Cadet Foot Box® Carbon Fiber Pedal Riser System. 12" wide 2 1/2" of rise off of the floor pan. This is most popular size and model of pedal riser that Noonan Kart Racing offers. This model of riser caters to the 8-12 year old group that runs in Cadet Jr. Sportsmen comer K80, Yamaha Jr. Sportsmen KT100. Comes complete with Aerospace Carbon Fiber Foot Board, will work with any standard metric kart pedal set-up. Choose black anodized side plate or red anodized side plates.