Powermaster Chrome 100-Amp V-Belt GM 12SI Alternator
Highlights
- Available with 3 Add-Ons
- Perfect for V-Belt Setups
- Direct-Fit Replacement
- Designed for 1-Wire Install
Powermaster Chrome 100-Amp V-Belt GM 12SI Alternator.
Power your modern accessories with confidence using a Powermaster GM 12SI alternator. This upgrade features a modernized housing with a heavy-duty rectifier. Meaning, you can trust it to deliver the high output needed for demanding applications.
Features and Benefits:
- Available with a pulley, cone, and/or baffle
- Perfect for V-belt setups
- Direct-fit replacement for stock alternator
- Strong 100-amp output and internally regulated design
- Engineered with a heavy-duty rectifier
- Offers better endurance at high RPMs and continuous loads
- Bright, chrome finish
- Designed for 1-wire installation
A direct-fit, installation is straightforward. Just unbolt your original alternator and bolt your new one in place. Then, run a new wire from the battery and you’re done.
Please Note: The single-wire voltage regulator requires a new, heavy-gauge wire to power the alternator.
California Residents: Proposition 65 Warning
Related Categories: Engine, Restomod, Alternators
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,








