Aircraft stripper won't damage the aluminium,but if they are polished underneath,they will need to be polished out again.Don't sand blast them unless your gonna powder coat them.
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RIP Chester P.Anderson Jr.9/23/05 I love you dad,and miss you very much.
RIP Kevin"Slo SI" 9/13/06,we will miss you homie,time heals wounds but you will never be forgotten