Power Master 75 Amp CS121 Mini Alternator — Fits GM Applications

SKU: BCTD_8060
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Compact Charging PowerWhen space is at a premium, the Power ...Read More

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Sale price$171.99
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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

Compact Charging Power

When space is at a premium, the Power Master 75 Amp CS121 Mini Alternator delivers the performance you need without the bulk. Designed for GM applications, this compact unit is ideal for custom engine builds, race cars, or any vehicle where engine bay real estate is limited. Despite its small footprint, it provides a reliable 75-amp output to keep your electrical system running smoothly.

Technical Specifications

  • Model: CS121 Mini
  • Output: 75 Amps
  • Wiring: 1-Wire or 3-Wire compatible
  • Pulley: Single V-Belt
  • Mounting: Straight mount
  • Finish: Natural Aluminum

The CS121 series is known for its modern charging technology and efficient operation. This mini version retains those benefits while offering a lightweight, space-saving design. It features a natural aluminum case for excellent thermal management and a single V-belt pulley for traditional drive systems. Whether you are upgrading a classic vehicle or finishing a custom project, this alternator provides the perfect blend of size and performance. Its compatibility with both 1-wire and 3-wire setups makes it a versatile choice for various electrical architectures. Find high-quality, compact charging solutions for your next build at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Compact Charging Power

When space is at a premium, the Power Master 75 Amp CS121 Mini Alternator delivers the performance you need without the bulk. Designed for GM applications, this compact unit is ideal for custom engine builds, race cars, or any vehicle where engine bay real estate is limited. Despite its small footprint, it provides a reliable 75-amp output to keep your electrical system running smoothly.

Technical Specifications

  • Model: CS121 Mini
  • Output: 75 Amps
  • Wiring: 1-Wire or 3-Wire compatible
  • Pulley: Single V-Belt
  • Mounting: Straight mount
  • Finish: Natural Aluminum

The CS121 series is known for its modern charging technology and efficient operation. This mini version retains those benefits while offering a lightweight, space-saving design. It features a natural aluminum case for excellent thermal management and a single V-belt pulley for traditional drive systems. Whether you are upgrading a classic vehicle or finishing a custom project, this alternator provides the perfect blend of size and performance. Its compatibility with both 1-wire and 3-wire setups makes it a versatile choice for various electrical architectures. Find high-quality, compact charging solutions for your next build at GGCRACING.

Product Details

Product Description

Compact Charging Power

When space is at a premium, the Power Master 75 Amp CS121 Mini Alternator delivers the performance you need without the bulk. Designed for GM applications, this compact unit is ideal for custom engine builds, race cars, or any vehicle where engine bay real estate is limited. Despite its small footprint, it provides a reliable 75-amp output to keep your electrical system running smoothly.

Technical Specifications

  • Model: CS121 Mini
  • Output: 75 Amps
  • Wiring: 1-Wire or 3-Wire compatible
  • Pulley: Single V-Belt
  • Mounting: Straight mount
  • Finish: Natural Aluminum

The CS121 series is known for its modern charging technology and efficient operation. This mini version retains those benefits while offering a lightweight, space-saving design. It features a natural aluminum case for excellent thermal management and a single V-belt pulley for traditional drive systems. Whether you are upgrading a classic vehicle or finishing a custom project, this alternator provides the perfect blend of size and performance. Its compatibility with both 1-wire and 3-wire setups makes it a versatile choice for various electrical architectures. Find high-quality, compact charging solutions for your next build at GGCRACING.

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