#1) If its track only go real DOT race rubber or slicks.
#2) Good choice glass is easier to fix than stock stuff
#3) Again good desicion
#4) Might want to get emulators as well. A good shock is also a good plan
#5) Good chain yes, gearing no. Depending on the track gearing will be different. For example Mosport Long Track you will be max speed halfway up the straight.
#6) Steel brake lines
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