I know this topic was mentioned many many times but i canot find a decent answer to this particular question. Ok, i just got a pro-x piston in for my 87 lt. on the box its syas it fits 87-92 but i know wiseco list 87 different than 88-92. Also the pro-x piston only uses one ring. I mic'd the pin location on both the wiseco and pro-x piston. they are the same. has anyone ever ran a pro-x in an 87 and how well does the one ring work compared to the standard two?

 

thats same piston i had putin mine my bike was screaming but i also have the piston slap cant say why on piston slap yet looking towards the bore job. i was worried when we put it in due to one ring but it ran great. hope u get some replies so i know what i want to use next.

 

no one else has ran a pro-x piston in a racer?