Flow Numbers

Port Volume    237cc            2.10/2.125 Intake / 1.600/1.625 Exhaust       

Chamber Size    74 cc           

                            Stock                        CNC Max Competition Port

0.200                        117                            na

0.300                        170                            208                           

0.400                        213                            271                           

0.500                        238                            305                           

0.600                        252                            324                           

0.700                        259                            335                           

0.800                        na                              352                             

0.900                        na                              na                

Exhaust Port

We have several different exhaust ports that can be used with this intake port depending upon your engine combination, they will flow anywhere from 240-260 cfm @ 0.800 lift depending your needs.

*    Special thanks goes out to NMRA Hot Street racer Duane Busch for this port Design