HCR Can-am Maverick X3 Heavy Duty Bulkhead Gusset Kit HCR racing Sale! from $449.99 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Tweet Part # MAV-05430 TMW has improved the weak Maverick X3 factory design by creating this custom X3 Bulkhead built from 1/8" 4130 Chromoly. This bulkhead kit is the best way to reinforce the front end of your CanAm X3.