the force 26 is a 4 port. I've owned and modified the 28's 6 port, and they rock. right now I'm running a dynamite mach 28 3 port modified by me, in a ravager 9.5, and an LRP spec 3 stock in an MGT truck, I love them both. The mach 28 is wearing out, so I was going to try the sportwerks 26 in the buggy when it does...