Carl and Mike, I’m not sure what I exchanged with Mike, but this is what I thought may help. My S1 has the standard Zetec flywheel,( wish I installed a lightweight one), a Ford Motorsports clutch and disc. At the time I thought that would work fine with it’s almighty 139.3rear wheel HP and curb weight of little over #1400. I’ll attach information another S1 owner decided to use…. Hope to see you at NJMP.