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  1. Speedmaster/Procomp Flywheel

    Transmission - Rearend
    I’m well aware of all the negative comments about Procomp products but I’ve also read some positives comments as well. I’m looking at these two flywheels for a 351W making about 375 hp and wondering if anyone has had direct experience with them. They are both SFI rated which I find surprising...
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