Twin Power 76-80 Big Twin Voltage Regulator Chrome 17.8 Amp — Fits 1976-1980 Harley-Davidson FX Super Glide

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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

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power 76-80 Big Twin Voltage Regulator - Chrome

Maintain optimal electrical performance for your 1976-1980 Harley-Davidson Big Twin with this premium chrome voltage regulator from Twin Power. Replacing H-D part number 74512-79A, this unit delivers a robust 17.8 Amp output, ensuring your battery stays charged and your electrical system functions flawlessly.

Key Features:

  • High Output: Provides 17.8 Amps for reliable charging.
  • Chrome Finish: Enhances the aesthetic appeal of your motorcycle's engine bay.
  • Direct Replacement: Designed to fit seamlessly, replacing H-D 74512-79A.
  • Vehicle Specific: Tailored for 1976-1980 Harley-Davidson FX Super Glide, FXE Super Glide, FXS Low Rider, FXEF Fat Bob, FLHS Electra Glide Sport, FLT Tour Glide, and FXWG Wide Glide models.

A properly functioning voltage regulator is essential for protecting your motorcycle's battery and sensitive electronics from voltage fluctuations. This Twin Power regulator ensures a stable voltage supply, prolonging the life of your components and preventing potential electrical issues. Its durable construction is built to withstand the rigors of the road.

Invest in the reliability of your classic Harley-Davidson. This Twin Power voltage regulator offers a perfect blend of performance, durability, and style. Get yours from GGCRACING and ride with confidence.

Vehicle Fitment

Years Make Model Trim
1980 Harley-Davidson FLHS Electra Glide Sport Base
1980 Harley-Davidson FLT Tour Glide Base
1976-1978 Harley-Davidson FX Super Glide Base
1980 Harley-Davidson FXB Sturgis Base
1976-1980 Harley-Davidson FXE Super Glide Base
1977-1980 Harley-Davidson FXS Low Rider Base
1980 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power 76-80 Big Twin Voltage Regulator - Chrome

Maintain optimal electrical performance for your 1976-1980 Harley-Davidson Big Twin with this premium chrome voltage regulator from Twin Power. Replacing H-D part number 74512-79A, this unit delivers a robust 17.8 Amp output, ensuring your battery stays charged and your electrical system functions flawlessly.

Key Features:

  • High Output: Provides 17.8 Amps for reliable charging.
  • Chrome Finish: Enhances the aesthetic appeal of your motorcycle's engine bay.
  • Direct Replacement: Designed to fit seamlessly, replacing H-D 74512-79A.
  • Vehicle Specific: Tailored for 1976-1980 Harley-Davidson FX Super Glide, FXE Super Glide, FXS Low Rider, FXEF Fat Bob, FLHS Electra Glide Sport, FLT Tour Glide, and FXWG Wide Glide models.

A properly functioning voltage regulator is essential for protecting your motorcycle's battery and sensitive electronics from voltage fluctuations. This Twin Power regulator ensures a stable voltage supply, prolonging the life of your components and preventing potential electrical issues. Its durable construction is built to withstand the rigors of the road.

Invest in the reliability of your classic Harley-Davidson. This Twin Power voltage regulator offers a perfect blend of performance, durability, and style. Get yours from GGCRACING and ride with confidence.

Vehicle Fitment

Years Make Model Trim
1980 Harley-Davidson FLHS Electra Glide Sport Base
1980 Harley-Davidson FLT Tour Glide Base
1976-1978 Harley-Davidson FX Super Glide Base
1980 Harley-Davidson FXB Sturgis Base
1976-1980 Harley-Davidson FXE Super Glide Base
1977-1980 Harley-Davidson FXS Low Rider Base
1980 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power 76-80 Big Twin Voltage Regulator - Chrome

Maintain optimal electrical performance for your 1976-1980 Harley-Davidson Big Twin with this premium chrome voltage regulator from Twin Power. Replacing H-D part number 74512-79A, this unit delivers a robust 17.8 Amp output, ensuring your battery stays charged and your electrical system functions flawlessly.

Key Features:

  • High Output: Provides 17.8 Amps for reliable charging.
  • Chrome Finish: Enhances the aesthetic appeal of your motorcycle's engine bay.
  • Direct Replacement: Designed to fit seamlessly, replacing H-D 74512-79A.
  • Vehicle Specific: Tailored for 1976-1980 Harley-Davidson FX Super Glide, FXE Super Glide, FXS Low Rider, FXEF Fat Bob, FLHS Electra Glide Sport, FLT Tour Glide, and FXWG Wide Glide models.

A properly functioning voltage regulator is essential for protecting your motorcycle's battery and sensitive electronics from voltage fluctuations. This Twin Power regulator ensures a stable voltage supply, prolonging the life of your components and preventing potential electrical issues. Its durable construction is built to withstand the rigors of the road.

Invest in the reliability of your classic Harley-Davidson. This Twin Power voltage regulator offers a perfect blend of performance, durability, and style. Get yours from GGCRACING and ride with confidence.

Vehicle Fitment

Years Make Model Trim
1980 Harley-Davidson FLHS Electra Glide Sport Base
1980 Harley-Davidson FLT Tour Glide Base
1976-1978 Harley-Davidson FX Super Glide Base
1980 Harley-Davidson FXB Sturgis Base
1976-1980 Harley-Davidson FXE Super Glide Base
1977-1980 Harley-Davidson FXS Low Rider Base
1980 Harley-Davidson FXWG Wide Glide Base

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