improvement

looks to be an hs50, ohh55, ohh60 Dyno cam...Not a big lift cam but should be an improvement over stock... Tecumseh Dyno Cams Go Kart Racing | eBay

I am finishing my current project and just went for a test ride which revealed a problem. The bike is equipped with a scrub brake and does not stop the bike adequately. I would like to modify it a bit to improve braking and need feedback from others in this area. I have seen the pieces that are...