Just the 12.5:1 pistons lightened flywheel and the heavy duty clutch. I know what you mean though, I'm also looking for more power too. I did talk to Dink at D&D and he suggested their cams first, then get the head ported and polished. Really wouldn't mind those cams... get the engine breathing a little easier. Also have the 36mm CR's on too.
04 Speedy, 904cc 12:1 CR JE pistons, ProCom CDI, Nology coils, Hotwires, lightened flywheel, CR ll's, 18 tooth front sprocket, freak kit, cocktail shaker and scypter exhaust, bobbed rear fender, headwinds headlight, wires in bars, and Scott Oiler
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