Voltage 14, Amp 36, Source Lucas, Plug no. 1 PL22, Radius 2 82.50, B+ 9.40, Rotation CW, Regulator type IR, Belt Adjustment Bracket Hole 1 M8, Mounting Bracket Distance 87.00, Radius 82.50, Prod. info BN/OE, Bracket Hole Size Rear 8.00, Pulley w/o, Bracket Hole Size 1 8.00, Servicing Ford, Austin, Land Rover, Triumph, MG, Morris, Talbot, Vauxhall, Plymouth, Jensen, Lotus, Holder Arm Width 10.00, D+ Size 6.30, Belt Adjustment Bracket Hole Position 50, Total Length 164.00, Remarks Shaft diameter 15.00 mm. For pulley w/ 17.00 mm bore use bushing: HC-CARGO 134894.