I did the same thing years ago and did not re clear coat and now they don't look so good anymore. The clear coat keeps the aluminum from oxidizing.
'97 VN1500 91 Cubes Of Custom CLASSIC
Vance & Hine 2to1
engine, forks, ignition & carb mod's
WebCam cam & rockers hard weld & grind
NEW TOP END, NO LOOKS ALL GO GO
Maxx intake manifold system & super G carb 44mm