Flow Numbers

Port Volume    310cc            2.20 Intake / 1.60 Exhaust       

Chamber Size    36 cc           

                       Competition Port

0.300                        223    cfm                                                                             

0.400                        288                                                                              

0.500                        337                                                      

0.600                        365                                                       

0.700                        382

0.800                        397

0.900                        400                                                        

           Exhaust                                                                

0.300                        152               

0.400                        204                   

0.500                        236                   

0.600                        254                   

0.700                        260                                                        

0.800                        265

0.900                        270  *

*   We also have a  higher flowing exhaust port with a  Chamber volume of 40 cc's