CP claims they will make any custom piston you want.

    CP Pistons – CP Pistons is a state of the art piston manufacturing company. CP utilizes current state of the art CNC machinery to produce their forged pistons. CP has a vast line of High Performance Auto, MX & ATV, PWC, and Street pistons, included 2-Stroke pistons. Each piston is machined to exacting tolerances and matched to rings, clips, and pin. CP offers X forgings where available to reduce weight and gain strength. CP is also able to make any custom piston you could dream of. CP offers skirt coatings and DLC coated pins to performance minded customer.

http://www.cp-carrillo.com/Segments/CustomProducts/tabid/68/Default.aspx

What do you think, Jerry?