FL-4 Crown Liner 206 Carb increase chain and sprocket life

increase chain and sprocket life with REV

25mm ID x 5mm width | aluminum w/black anodize

this front panel is found on many modern racing karts today

From Kid Karts

FL-4 Crown Liner 206 Carb increase chain and sprocket lifeCrown Liner Padding for Zamp FL 4 Helmets. These pads replace the internal front crown and head lining for the Fl 4 helmet, and is ideal for the top areas of the helmet when original padding may be oversized, undersized, or compromised by dust and debris, or sweat. One advantage Zamp helmets is the replaceable padding material in each helmet, like this padding. Padding is available in a variety of padding sizes for a variety of helmet sizes.