Originally Posted by
xlgraphicspro
an original aluminum headed speed goes for around $400, but they updated it with a newer carb that has the idle screw on the other side of the carb. this updated one costs about $50 bucks more. then there's the worlds edition which has the new carb, and the drilled and lightened head, which is $100 bucks more than the last one. $400-$450-$550 and i'm not sure if they still offer the magnesium head, I've seen a couple at the hobby shop, but I'm not sure if they are producing them anymore.
Actually the one with the New 21JS carb(idle screw on the back side) is the same price as the origional. They made the update as sort of a running change. They did the same to the normal v-spec for 2008. The ones that CJM has are the new version with the 21JS carby for $400.