Standard will be to OEM standard, to cope with standard power. The stage one is 25% uprated
From their website:
CG Motorsport Fast Road Stage 1 Organic Clutch KitHeavy Duty Clutch kit designed for Fast Road /Street use. up to 25% above standardIt is a direct replacement, for original equipment clutch, no modifications are needed the CG Motorsport clutch kit includes only the highest grade brand new components.CG Motorsport Clutch Covers features special single diaphragm design to increase clamp load ,with hardened induction diaphragm ,CNC machined casting ,stronger drive straps and rivets ,the pressure plate provides smooth and precise feel with easy pedal effort .CG Motorsport clutch kits are load tested; lift tested on our purpose built testing machines for quality assurance.CG Motorsport Drive Plate has a high heat tolerance quick recovery, good co-efficient friction, high heat dissipation and long lifeThe Drive Plate hub is heat treated and uses hardened retainer rivets for maximum power and durability.
Sorry but I've not had any dealings with the company.