TRANSMISSION SHAFTS (INCLUDINGCAM SHAFTS AND CRANK SHAFTS) ANDCRANKS; BEARINGS HOUSINGS ANDPLAIN SHAFT BEARINGS; GEARS ANDGEARING; BALL OR ROLLER SCREWS;GEAR BOXES AND OTHER SPEEDCHANGERS, INCLUDING TORQUECONVERTERS; FLYWHEELS ANDPULLEYS, INCLUDING PULLEYBLOCKS; CLUTCHES AND SHAFT COUPLINGS (INCLUDING UNIVERSAL JOINTS).
HS codes falls under this category.