I would say the clutch depends on your power levels and what you wanna spend, my 6 puck sprung clutch is only rated at 385 lbs of tq, anything above that and your asking for trouble. My 6 puck is chattery and I have to come off the line over 2 grand or its real harsh...but grabs like no other. My buddy one day was making fun of my cuz I kept reving it up to come off the line so I let him drive ...hehehe kept stalling the car out lol he couldn't even keep it going. I would say if your going with high hp go with a unsprung clutch but that are much much harsher on your tranny and put way more of a beating on it.