Founded in 1958, ACE Manufacturing and Parts Co. has been making heavy-duty clutches and clutch components for the Performance, Racing, and Heavy Duty markets. Based out of Sullivan, MO, ACE Manufacturing and Parts Co. makes all of their American-made clutches and components in-house. You will find their product line to include clutch disks; flywheels; clutch, spacer, and fastener kits; throwout bearings, yokes, and more.