Power Master GM 85 Amp Alternator 10SI Internal Regulator — Fits GM Classic

SKU: BCTD_7127
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Reliable Charging with the Power Master 10SISimplify your vehicle's electrical ...Read More

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Sale price$145.99
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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

Reliable Charging with the Power Master 10SI

Simplify your vehicle's electrical system with the Power Master 85 Amp 10SI Alternator. This unit is designed to replace outdated external regulator setups with a modern, efficient internal regulator design. Perfect for street rods, muscle cars, and daily drivers, this alternator delivers a robust 85 amps to keep your battery charged and your electronics running smoothly. The natural aluminum finish provides a clean, professional look that fits perfectly into any engine bay.

Technical Specifications

  • Amperage: 85 Amps for reliable power
  • Regulation: Internal regulator for simplified wiring
  • Versatility: Compatible with 1-wire or 3-wire setups
  • Pulley: Single V-Belt pulley included
  • Construction: High-quality aluminum housing

By switching to this 10SI style alternator, you eliminate the need for external voltage regulators, reducing clutter and potential failure points in your wiring harness. The unit is engineered for a direct fit on most GM applications, making it an ideal choice for builders looking to modernize their charging system without sacrificing the classic aesthetic. Whether you are upgrading your lighting, adding an electric fan, or simply ensuring your classic car starts every time, this Power Master unit is up to the task. Trust GGCRACING for your high-performance automotive needs.

Product Details

Product Description
Part Numbers
Sizing & Fit

Reliable Charging with the Power Master 10SI

Simplify your vehicle's electrical system with the Power Master 85 Amp 10SI Alternator. This unit is designed to replace outdated external regulator setups with a modern, efficient internal regulator design. Perfect for street rods, muscle cars, and daily drivers, this alternator delivers a robust 85 amps to keep your battery charged and your electronics running smoothly. The natural aluminum finish provides a clean, professional look that fits perfectly into any engine bay.

Technical Specifications

  • Amperage: 85 Amps for reliable power
  • Regulation: Internal regulator for simplified wiring
  • Versatility: Compatible with 1-wire or 3-wire setups
  • Pulley: Single V-Belt pulley included
  • Construction: High-quality aluminum housing

By switching to this 10SI style alternator, you eliminate the need for external voltage regulators, reducing clutter and potential failure points in your wiring harness. The unit is engineered for a direct fit on most GM applications, making it an ideal choice for builders looking to modernize their charging system without sacrificing the classic aesthetic. Whether you are upgrading your lighting, adding an electric fan, or simply ensuring your classic car starts every time, this Power Master unit is up to the task. Trust GGCRACING for your high-performance automotive needs.

Product Details

Product Description

Reliable Charging with the Power Master 10SI

Simplify your vehicle's electrical system with the Power Master 85 Amp 10SI Alternator. This unit is designed to replace outdated external regulator setups with a modern, efficient internal regulator design. Perfect for street rods, muscle cars, and daily drivers, this alternator delivers a robust 85 amps to keep your battery charged and your electronics running smoothly. The natural aluminum finish provides a clean, professional look that fits perfectly into any engine bay.

Technical Specifications

  • Amperage: 85 Amps for reliable power
  • Regulation: Internal regulator for simplified wiring
  • Versatility: Compatible with 1-wire or 3-wire setups
  • Pulley: Single V-Belt pulley included
  • Construction: High-quality aluminum housing

By switching to this 10SI style alternator, you eliminate the need for external voltage regulators, reducing clutter and potential failure points in your wiring harness. The unit is engineered for a direct fit on most GM applications, making it an ideal choice for builders looking to modernize their charging system without sacrificing the classic aesthetic. Whether you are upgrading your lighting, adding an electric fan, or simply ensuring your classic car starts every time, this Power Master unit is up to the task. Trust GGCRACING for your high-performance automotive needs.

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