omg.....SEARCH button is located at the top right of the page. There's a bazillion threads regarding the torsion crank...including pros and cons. I'll let it slide.....this time. lol.
Pros: Added clearence for larger tires, FREE!, better appearence with it being level and not raked, more firm ride(i like)
Cons: More wear on your ball joints, more firm ride(but i like it!), possible alignment needed to prevent tire wear...but i've never had mine aligned and i don't notice any abnormal tire wear.