yes, you will notice a difference. As for rollers they sell small one inch rolling surface ones. I dunno if i paint roller would work better then your hands but hey give it a try.
98.5 Black SVT with 34k miles Build #5683 Born on 4\15\1998
WR Headers GMK CAI
Blaupunkt system fiberglass tweeter pods
L.E.D. tail lights in the works