This Holley alternator is designed to look at home on all Holley driver's side LS brackets. When properly installed, its additional amperage assures solid voltage even with high-consuming electrical accessories like engine fans and blower motors, and helps keep headlights from dimming at idle.
Specifications:
- Output: 130 Amp
- Engine: GM Gen III/IV (LS)
- Alternator Style: O.E. or 1-Wire
- Material: Aluminum
- Finish: Cast
- Voltage: 12V
- Product Type: Alternator
- Part Number: 197-301
Features dual internal fans for maximum cooling and a large case design for the output efficiency required at this amperage. Uses weatherproof plug/pigtail P/N 197-400 (sold separately, not included).
FAQ
What engines is this alternator designed for?
It's designed for GM Gen III/IV (LS) engines and fits all Holley driver's side LS brackets.
How much output does this alternator provide?
It provides 130 amps of output, with dual internal fans for maximum cooling.
Is the connector included?
No, the weatherproof plug/pigtail P/N 197-400 is used with this alternator but is sold separately.
What alternator style is this?
It can be wired as an O.E. style or 1-wire alternator.

