Voltage 14, Amp 50, Vac. pump Yes, Grooves/pulley 1, Regulator type IR, Belt Adjustment Bracket Hole 1 M8, Mounting Bracket Distance 99.40, Radius 90.00, Pulley Diameter 83.50, Prod. info BN, Bracket Hole Size Rear 10.20, Pulley P, Pulley Distance 48.80, Servicing Isuzu, Opel, Chevrolet, Nipple Vaccum Pump Position 25, Plug no. 1 PL01, Radius 2 84.50, B+ 9.30, Rotation CW, Bracket Hole Size 1 10.20, Vacumm Pump Position 60, Holder Arm Width 13.20, Belt Adjustment Bracket Hole Position 55, Total Length 270.00