New JE Piston set to suit a 3.6L 911, 964, 993. The JE part number was 212444 which supersedes to 274637.
The spec sheet is photographed. They are an off the shelf fitment from JE, have 100mm bore and have a dome volume of 40.8 which gives an aim compression of 11.5:1. The designed weight is 482g each.
Freight is the best option for these so contact me for a price.