Preference?

[mercrazy]

What’s everyone’s favorite piston for 7000 rpm fishing 2.5?
vertex
promarine
wsm
mercury
others?

1.5mm or 2mm rings?

[VkingMike]

WSM and Pro-marine are the same I think, I've had great luck with them.

[LakeFever]

Jay smith suggested the promarine pistons with John Marles top pin mod. Said they will run 500 hours

[blackmaxonly]

I run promarine in my 2.5s