I would place them between the GT28R and the GT28RS (both power and lag). They can make 500RWHP on pump gas without pushing them too hard (more than I can say for the Gt28R). I would get them before I would get the GT28R if the same price. One of the better choices out there.
m a g l i t o SGP engine destroyed itself after 4k miles. New engine dropped in 11/05/2006. Details coming soon. sig photo by me effects by ZXRider(SoCal) The build up begins - progress - reassembly part one - part two