This is a Procomp Electronics CS130 Delco style alternator with the mounting ear straight up and down . You can choose between a 1-wire (Battery sense wire from the plug must be connected to the battery positive, as well as a main battery lead) or plug-in that will use a factory regulator harness.

XS Volt is a powerful internal regulating system. These one wire alternators offer the highest stability available for modern electricalsystems. Available in Delco CS and Denso style alternators, these units offer a number of features including:

Digital Control
Response time in milliseconds, compared to seconds for analog regulators

Adjustable Voltage
Adjustable between 13.5 and 18.5 volts. Great for 12V or 16V systems.

Powerful, Reliable Internals
Short circuit protection and loss of ground pr