piston and piston rings, seeger and piston pin OVERSIZED + 1,00 mm diameter 91 mm for agricultural engine DIESEL compatible RUGGERINI for models: RF90 - RF 90 RF91 - RF 91 BRIO91 - BRIO 91 Features: - 3 segments - piston pin diameter 22 mm - off-centre chamber diameter 40,30 mm - piston pin top height 40 mm Code: 130090P Original Code: A2155 SM