Piston ring ring kit compatible with RUGGERINI diesel engine Adaptable to models: RF130 RD920 RD920/L RD240 RD248 RD92/2 RD92/2 L 4 rings thickness 2.5 - 2.5 - 2.5 - 5 mm increased + 0.5 mm diameter 92.5 mm Code FIN074RS05 Original code 2275