As reputable common rail parts manufacturers,China Balin Parts Plant is now offering the ajusting shims for common rail injectors (Calibration gasket kit) B37,sizes available 1.155-2.265,Precision:0.010±0.002, Application to common rail injectors:injectors: BOSCH2.7 0445110083/183/291 We also offer the common rail shims B21,B23,B24,B26,B25,B31,Steel balls F 00V C05 001 and etc. Welcome to contact us .