Powermaster 47294 Alt GM 12SI Natural 150A 1V Pulley & Baffle 1 or 3 Wire

Power master builds several types of starters for most applications from 160 – 260 ft. -lbs. , including gas and diesel engines. Power master also manufactures a great line of performance alternators to fit any need. From 120 amp to 350 for competition use, Power master has the right alternator for your vehicle. You can get Power master starters, alternators, brackets, pulleys and all the parts your electrical system could need for your vehicle.

Product Features

  • built for performance

3 thoughts on “Powermaster 47294 Alt GM 12SI Natural 150A 1V Pulley & Baffle 1 or 3 Wire”

  1. ’84 Fiero charging system problems solved! Purchased this alternator to replace a cheap 60amp one that wasn’t doing a very good job. Direct bolt on to my 1984 Pontiac Fiero with the Iron Duke. Idle amps at 102 and at peak 168, far better than the old one. The autoparts purchased alternator was only charging my battery at around 13.5v-13.9v. This one is charging at around 14.5v-14.8v and running all my vehicle accessories just fine without dimming of the headlights. Just remember to replace the positive wire from the battery to…

  2. Solves my concerns God alt. I installed it to help keep the battery up while I’m plowing. Charges better at idle then the original. I’m going to put one of these in each of my other trucks.

  3. saweeeet excellent product. fit perfect. took minutes to install. came with the upper bolt which was great and came with the power wire for one wire operation which is also great. came with a dyno sheet that stated 94 amps at idle!!!!!!!!!!!!!!!!!!!!!!! i turned my OBA system and my offroad lights on along with everything else at it held voltage at idle!!!!!!! my 350 idles at 650 rpms and it still held voltage like a champ!!! i would give 6 stars if i could!

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