Flow Numbers
Port Volume 205cc 2.08 Intake / 1.625 Exhaust
Chamber Size 74 cc
Stock Race Port
0.200 117 152
0.300 170 214
0.400 213 254
0.500 238 288
0.600 252 296
0.700 259 307
0.800 na 307
0.900 na na
__________________________________________ Optional Exhaust Port
0.200 102 113
0.300 138 165 173
0.400 166 187 202
0.500 183 201 215
0.600 193 206 222
0.700 209 227
0.800 213 232
0.900