Powermaster has a variety of alternators available for various applications.
Product Features
- Alternator GM 12SI Natural 150A 6 grove Pulley & Baffle 1 or 3 Wire
- Powermaster gives you the power you need to get it started and keep it going
- Proudly Made in the USA!
Happy with it Bolts right up. Exact fit for my 87 Blazer 5.7. Just keep the lower spacer bracket for mounting. I believe it covers the grounding requirement too. Charges at 14.4 at idle.