Volt Tech 32 Amp Alternator Rotor with 2 Spacers.

Volt Tech alternator rotor features vibration proof magnet construction and includes two 1.5" thick spacers.
Magnets are held in place by stainless steel non-magnetic insert for durability. Thicker washer is required for installation. The thick washers foes on the inside and the thinner washer goes on the outside.