Universal GM 7861 CS130 Serpentine Left Offset 130 Amp Alternator [Chrome] They feature extra-thick steel that's

They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance

while allowing engine builders to precision-trim around the intake ports

swap out installation utilizing existing metering blocks

The crank sprockets have multiple keyways

Speedmaster Cam Lock Plate helps prevent cam bolts from backing out

Universal GM 7861 CS130 Serpentine Left Offset 130 Amp Alternator [Chrome] They feature extra-thick steel that'sThis 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.