Four Stroke Performance
We have built engines and vehicles for some of the most influential people in the world. We have build engines for Pro Football players to Top fuel dragster drivers even for the US government and our
*Head Exchange Program*
Send in you GOOD core and we wiill send a Head already ported and ready to go!
This is an actual 700 Raptor Head we just completed getting ready for assembly and going to the customer.
We use a Computer Controled Superflow Flowbench and Port Flow Analyzer Software to calculate
(CFM, swirl, flow coef., etc.)
We spent countless hours developing our intake textures to keep fuel from sticking to intake walls but still maintaining hi CFM #’s