The duplicolor is fine for the top coat and matches pretty well . AS far as prep work plastic parts that have a texture should always be "sanded" with a scuff pad , not sand paper , cause it wont rough up the lower part of the texture , leading to peeling later on .Temperature changes will have a affect on this . If it came with a factory primer on it , theres no need to prime it .If it didnt then theres a product you can get from your local automotive paint supply called marhyde , its made for plastic and they also have custom colors the paint supplier can make . The products for plastics have to remain flexable for them to adhear properly , thats why standard automotive paint wont work . The paint will get hard , the plastic will flex and it comes off like a egg shell . If you plan on keeping ther rig for a while id suggest you go with my suggestions but if your only gonna keep it for a short time , then grey laquer primer and Duplicolor will work . I restore autos from the ground up and Ive learned from many mistakes . Good luck and those piller pods look cool as heck.