First of all, what do you have in mind for top end? I assume you are at approx. 44-45 mph.
Have a conversation with Eric at OJ. He will give you all the prop info you need.
As far as engine goes, there is a limit somewhere........but you will want to have a plan so you can match engine performance with prop.
Two Chrome 10 hole wheels with Kenda Loadstar radials.
Mounted, balanced and delivered.
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CARBURETOR REBUILDING - $199
Parts, labor and return shipping included
2 LED 6" BRAKE LIGHTS DELIVERED $32