12SI GM Alternator 100 Amp 1V Pulley 1&3 Wire

The 12SI GM Alternator is a powerful 100 amp unit designed for 12V systems, featuring both 1-Wire and 3-Wire options. This alternator comes with a single V-belt pulley and a straight mount, all housed in a durable aluminum case with a natural finish.

This alternator is perfect for builders looking to maintain the classic GM look while upgrading their electrical system's performance. A reliable alternator is crucial for ensuring your vehicle runs smoothly and efficiently.

Features

• Output: 100 amps
• Voltage: 12V
• Wiring: 1-Wire / 3-Wire
• Pulley: Single V-belt
• Material: Aluminum case

Fitment

Compatible with various GM applications. Not sure it fits your build? Contact our team or check our FAQs.