Balmar Alternator 150 AMP 12V 4in Dual Foot Saddle K6 Pulley w/Isolated Ground One Size. Replaces: 604-150-SR-IGThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications for Balmar Alternator 150 AMP 12V 4in Dual Foot Saddle K6 Pulley w/Isolated Ground: Manufacturer: Balmar Application: Outdoor Color: White Package Contents: Balmar Alternator 150 AMP 12V 4in Dual Foot Saddle K6 Pulley w/Isolated Ground Balmar 604-150-K6: Alternator 150 AMP 12V 4in Dual Foot Saddle K6 Pulley w/Isolated Ground One Size