Flow Numbers Z304 

                                             

Port Volume    230 cc            2.08 Intake / 1.60 Exhaust       

Chamber Size    68 cc       

                    

0.300                                       203                                                                  

0.400                                       266                                                                             

0.500                                       295                                                      

0.600                                       318                                                       

0.700                                       335

0.800                                             

                                                       

           Exhaust                                                                

             

0.300                                       150

0.400                                       193

0.500                                       220

0.600                                       229                                  

0.700                                       238

0.800                                       240

*    Optional Exhaust Port that goes 255 cfm is also available