Holley Premium 150A Alternator

The Holley Premium 150A Alternator is a high-performance, compact alternator designed to handle 30% higher RPMs than conventional units. Made in the USA, it fits all Holley accessory brackets and various GM applications, delivering reliable and efficient power for drag racing, autocross, and hot-rodding.

Key Features

150 Amp output for strong electrical performance
Works with all Holley accessory brackets
Smaller and lighter than large-case alternators
Sculpted all-aluminum housing for a clean, polished look
Designed and tested for 30% higher RPM tolerance
Made in the USA
Optional black pulley cover available (P/N 97-187)

Fitment

Fits all Holley accessory brackets
Compatible with 4th generation F-body and most 1998–2004 GM trucks

Note: Verify compatibility with your vehicle and accessory brackets before ordering. Installation may require standard alternator wiring and mounting procedures.