Flow Numbers

Intake Valve - 37 mm        Exhaust Valve - 30 mm        Bore Size - 3.57

Intake

Lift                    Stock              CNC Sportsman     Stage 2

0.200                144                   166

0.300                194                    230

0.400                218                    262

0.500                234                    280

0.600                230                    277

Exhaust

0.200               106                         113                    119

0.300               126                         140                    153

0.400               145                         160                    189

0.500               146                         165                    204

0.600               152                         170                    215