Any sportsman tree is a .500 tree. Sportsman trees are the one's which have the yellow lights come down one at a time. A pro tree is a .400 tree and all the yellow lights come on at once. When I say a .500 or .400 light I meen any time lower than that meens RED. If you are bracket racing you better be in the .520 or lower range if you want to last.
Mark
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STS Power Dealer
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