Alternator GM 12SI 150 Amp 1-V Pulley Black

The GM 12SI 150 Amp Alternator is a high-performance alternator designed for 12V systems, featuring a single V-belt pulley and a robust aluminum case finished in black powder coat. This alternator is perfect for upgrading the electrical system in your classic 1967-72 Chevy or GMC truck.

Engineered for builders who demand reliability and performance, this alternator ensures consistent power output, making it an essential component for any restoration or performance project.

Features

• 150 Amp output
• 12V compatibility
• One-wire or three-wire installation options
• Single V-belt pulley
• Aluminum case with black powder coat finish

Fitment

Compatible with 1967-72 Chevy and GMC C/K trucks and K5 Blazers. For more details, Contact our team or visit our FAQs.