Originally Posted by sergman89
Thats the piston set I purchased, to be honest with you guys im not sure what a 40mm stroke means. I tried incorporating that into my search for a new piston, but I couldnt find anything.
I did eye this piston up with the other one and visually I cannot see a difference in size.
The pistons are all the same size as in diameter and height.
Check the wrist pin hole heights.
The eBay add is for a "SkyHawk" high hole piston.
The triangle marked piston is a PK 80 low hole piston.