These are complete clutch kits, they include complete clutch, and lightened steel flywheel, alignment tool. NOTHING else needed to purchase for a complete clutch replacement.

When your engine puts out performance, you need a Clutch Kit that can handle it properly. All ACT Clutch Kits provide a generous increase in clamp load which directly increases torque capacity. ACT Clutch kits are offered in a number of configurations and there is one developed specifically for your vehicle.

HDSS - Heavy Duty - This Pedal feels stock to moderate. This clutch can hold up to 340 ft lbs of torque. This is ACT's NUMBER one clutch for the Cobalt SS since it can be slipped, isnt too hard to drive, and can handle a good amount of power.