Originally Posted by Yellow Pig
Did you go OEM or aftermarket piston kit?
I went with the Vertex. The Wossner is also supposed to be really good. The OEM piston lists at over $400, and has the questionable ring design. The Vertex was a little over $200, the Wossner about $175. The Wossner and Vertex are both forged, and the stocker is cast.
I don't think anyone has any criticism for the quality of manufacture of the stock piston, but most experienced engine guys find the oil ring design to be wacky.