| SBC includes a 250MM TT VS 240mm NA disk with the higher stage NA kits to hold more power and last longer. It works with other steel flywheels, Stock, DXD ect as the surface it wider. It will probably work fine but to be optimum would require the 240mm disk. I'm sure who ever you got the kit from would exchange the disk for the 240mm so it works correctly with your application. Or if you call South Bend clutch in the morning they would exchange it also, Just ask for Dave Winter in the import department. I always ask which flywheel people are using with the high stage NA kits so we make sure to get them the correct parts.
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