Roche have released a USA Spec update for their P12 Evo2 1/12th scale chassis. The new include a new short wheelbase chassis plate. Together with the updated front lower arms, it increases steering response. These new parts are recommended for small and tight tracks. The full set of parts includes chassis, lower arms, front lower bulkheads, graphite battery back stop, 4.8x14mm steel ball studs and spring steel steering pivot balls.