for /5 & /6 models till 09/197516mm diameter
compare 11111250214
You need 4pc for one engine.
2. Übermaß = 91,0 mm
1. oversize in 90,5 mm
Modern and lighter pistons for R75/5, R75/6 and R75/7 - 3. oversize 83,0 mm
This set includes 2 pc.