Piston Skirt
ArboristSite Member
Are You sure? 310/352 was designed for them and it has the same pattern as 370/420.Nice. My 352 doesn't have the mounting holes like the 3510. I will look at it next time I have it out to see if there is anyway possible to rig something up.
See my post with a picture of the engine cover above:
https://www.arboristsite.com/threads/echo-cs-3510.346203/post-7623291