Custom piston for +4 crank

[mad4106]

Where can I get a custom piston for a +4 crank. My friend referred me to last minute racing in Louisiana and guy sayed I needed a custom piston I wanna install with the 440 big bore kit with wiseco 11:1 any suggestions?

[shortzt.15]

Wiseco, makes them, you can get them through denniskirk.com

[Stickman400]

http://www.powroll.com/P_HONDA_TRX400EX.htm

4th item down the list. Not a Wiseco, but Poweroll isn't going to let you down, it's just as good.