Power Master 12SI 85A Race Alternator — 1-Wire/3-Wire GM Style

SKU: BCTD_8003
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High-Performance Charging for GM ApplicationsThe Power Master 12SI Race Alternator ...Read More

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Sale price$139.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

High-Performance Charging for GM Applications

The Power Master 12SI Race Alternator is the ultimate choice for enthusiasts seeking a reliable and lightweight charging solution for their GM-powered vehicle. With an 85-amp output, this alternator provides ample power for essential systems while maintaining a compact, race-proven design that is built to handle the demands of the track.

Technical Specifications

  • Style: GM 12SI Race Series
  • Output: 85 Amps at 12V
  • Wiring: Versatile 1-Wire or 3-Wire configuration
  • Pulley: Single V-Belt
  • Mounting: Straight Mount
  • Finish: Natural Aluminum Case

This alternator features a high-quality aluminum case for superior heat dissipation, ensuring consistent performance during intense driving conditions. The flexible wiring options allow for a simplified installation, making it perfect for custom wiring harnesses or traditional GM setups. Its lightweight construction helps reduce parasitic loss, allowing your engine to rev more freely. Whether you are upgrading a classic muscle car or a dedicated race vehicle, the Power Master 12SI alternator delivers the performance and reliability you expect. Discover more high-performance electrical solutions at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

High-Performance Charging for GM Applications

The Power Master 12SI Race Alternator is the ultimate choice for enthusiasts seeking a reliable and lightweight charging solution for their GM-powered vehicle. With an 85-amp output, this alternator provides ample power for essential systems while maintaining a compact, race-proven design that is built to handle the demands of the track.

Technical Specifications

  • Style: GM 12SI Race Series
  • Output: 85 Amps at 12V
  • Wiring: Versatile 1-Wire or 3-Wire configuration
  • Pulley: Single V-Belt
  • Mounting: Straight Mount
  • Finish: Natural Aluminum Case

This alternator features a high-quality aluminum case for superior heat dissipation, ensuring consistent performance during intense driving conditions. The flexible wiring options allow for a simplified installation, making it perfect for custom wiring harnesses or traditional GM setups. Its lightweight construction helps reduce parasitic loss, allowing your engine to rev more freely. Whether you are upgrading a classic muscle car or a dedicated race vehicle, the Power Master 12SI alternator delivers the performance and reliability you expect. Discover more high-performance electrical solutions at GGCRACING.

Product Details

Product Description

High-Performance Charging for GM Applications

The Power Master 12SI Race Alternator is the ultimate choice for enthusiasts seeking a reliable and lightweight charging solution for their GM-powered vehicle. With an 85-amp output, this alternator provides ample power for essential systems while maintaining a compact, race-proven design that is built to handle the demands of the track.

Technical Specifications

  • Style: GM 12SI Race Series
  • Output: 85 Amps at 12V
  • Wiring: Versatile 1-Wire or 3-Wire configuration
  • Pulley: Single V-Belt
  • Mounting: Straight Mount
  • Finish: Natural Aluminum Case

This alternator features a high-quality aluminum case for superior heat dissipation, ensuring consistent performance during intense driving conditions. The flexible wiring options allow for a simplified installation, making it perfect for custom wiring harnesses or traditional GM setups. Its lightweight construction helps reduce parasitic loss, allowing your engine to rev more freely. Whether you are upgrading a classic muscle car or a dedicated race vehicle, the Power Master 12SI alternator delivers the performance and reliability you expect. Discover more high-performance electrical solutions at GGCRACING.

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