Ray C's Cycle and Sports T-Man's Stage 4 Heads TR-650 Cam 48mm Mikiuni Carb with T-Man's Raceback & Intake Pistons:CP 30-domed Ignition:Crain HI-4 Exhaust :D&D FatCat B.C Gerolamy AC .040" Cometic HG Max Power = 127.4 Max Torque = 111.3