Parts list: № Number Qty Name Options 1 RE263359 4 Pressure Sensor (KIT CONTAINS 4 SENSORS) 2 RE263352 1 Monitor (READS PRESSURE UPTO 16 TIRES) Next page: ST431185 Cast Rear Wheels ST431190 Weights for Steel Disk Wheels ST431192 Dual Hub Extension ST431186 Steel Disk Rear Wheels (10-Bolt Hub Only) ST431197 Front Weight Support Extension ST431199 Frame Weights (European Version) ST431183 Front Wheels (Mechanical Front Wheel Drive) ST431196 Front Weight (European Version) ST431188 Weights For Cast And Heavy Cast Rear Wheels ST431187 Multi Position (Duals)