1973 Pontiac GTO Alternators

Elevate your vehicle’s performance with this 150 Amp Alternator from Powermaster, designed for street applications including Muscle Cars, Classics, Street Rods, and daily drivers. Engineered with a 12si style and a smooth die-cast housing featuring a teardrop design, this alternator delivers both functionality and a sleek, custom billet look at an affordable price. Its high-ampere GM one-wire setup ensures efficient power delivery, while the smooth back with special Powermaster vents enhances pull-through cooling for optimal performance. The gold battery post and Proof of Performance tag add a touch of reliability and quality assurance. With the largest selection of fans, pulleys, nose cones, and baffle plates in the industry, plus an optional custom high-volume fan, this alternator offers unmatched versatility and customization. Whether you’re upgrading for style or performance, this unit combines durability, efficiency, and value to meet your automotive needs.

Product Features:

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Product Features:

• 12si Style
• The Ultimate Custom Billet Look At Affordable Prices
• Smooth Die Cast Housing With Teardrop Design
• High Ampere Gm One Wire
• Smooth Back With Special Powermaster Vents For Pull Through Cooling
• Gold Battery Post. Proof Of Performance Tag
• Largest Selection Of Fans, Pulleys, Nose Cones, And Baffle Plates In The Industry. Optional Custom Hv (high Volume) Fan

Elevate your vehicle’s performance with this 150 Amp Alternator from Powermaster, designed for street applications including muscle cars, classics, street rods, and daily drivers. Featuring a sleek 12si style with a custom billet look, this alternator combines aesthetics with functionality at an affordable price. Its smooth die-cast housing with a teardrop design and special Powermaster vents ensures efficient pull-through cooling, while the high-amp GM one-wire setup simplifies installation. The gold battery post and Proof of Performance tag add a touch of reliability and quality assurance. With the largest selection of fans, pulleys, nose cones, and baffle plates in the industry, plus an optional custom high-volume fan, this alternator offers unmatched versatility and customization. Built with premium internal components, it delivers maximum efficiency and durability, making it the ultimate upgrade for your vehicle’s electrical system.

Product Features:

• 
  
  

Product Features:

• 12si Style
• The Ultimate Custom Billet Look At Affordable Prices
• Smooth Die Cast Housing With Teardrop Design
• High Ampere Gm One Wire
• Smooth Back With Special Powermaster Vents For Pull Through Cooling
• Gold Battery Post. Proof Of Performance Tag
• Largest Selection Of Fans, Pulleys, Nose Cones, And Baffle Plates In The Industry. Optional Custom Hv (high Volume) Fan

The 85 Amp Alternator from Powermaster is engineered to deliver exceptional performance for all your racing needs, whether it’s drag racing, circle track, asphalt, or dirt. Designed with versatility in mind, it offers one or three-wire operation and features a gold battery post for enhanced durability and conductivity. The proof of performance tag ensures reliability, while its impressive 70-amp output at idle for a 100-amp alternator guarantees consistent power delivery even under demanding conditions. This alternator is a bolt-on upgrade for early model vehicles, making installation straightforward and hassle-free. With its robust design and high output, it’s the perfect choice for racers seeking a dependable and efficient power solution.

Product Features:

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Product Features:

• One Or Three Wire Operation
• Gold Battery Post
• Proof Of Performance Tag
• 70 Ampere At Idle For 100 Ampere Alternator
• Bolt-On Early Model Upgrade