Universal GM 7861 CS130 Serpentine Left Offset 130 Amp Alternator [Chrome] They utilize an open element

They utilize an open element design

Applications available in 8

High torque loads cause the race to fracture at two stress points: the radial lube holes that contact the rollers and the sharp inside corners at the base of the outer splines

This makes them far superior to standard OEM fasteners in terms of durability

protective

Universal GM 7861 CS130 Serpentine Left Offset 130 Amp Alternator [Chrome] They utilize an open elementThis is a Speedmaster CS130 Delco style alternator with the mounting ear off set to the left. You can choose between a 1 wire (needs only the output cable) or plug in that will use a factory regulator harness.