Twin Power 70-75 Big Twin Voltage Regulator Chrome 15 Amp — Fits 1971-1975 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 70-75 Big Twin Voltage Regulator - Chrome

Ensure your classic Harley-Davidson Big Twin stays powered correctly with this high-quality voltage regulator from Twin Power. Designed specifically for 1970-1975 Big Twin models, this regulator replaces Harley-Davidson part number 74510-70A and provides a reliable 15 Amp output to keep your electrical system in check.

Key Features:

  • Direct Fit Replacement: Engineered to seamlessly replace H-D 74510-70A.
  • Durable Chrome Finish: Adds a touch of classic style to your motorcycle's electrical components.
  • 15 Amp Output: Provides sufficient power for your motorcycle's charging system.
  • Model Specific Fitment: Designed for 1971-1975 Harley-Davidson FX Super Glide and 1974-1975 Harley-Davidson FXE Super Glide models.

Proper voltage regulation is crucial for the longevity of your motorcycle's battery and electrical components. This regulator ensures your battery receives the correct charge, preventing overcharging or undercharging, which can lead to premature failure. Its robust construction guarantees dependable performance, even under demanding riding conditions.

Maintain the integrity of your vintage Harley-Davidson's electrical system. This Twin Power voltage regulator is the perfect solution for restoring or upgrading your bike's charging capabilities. Trust GGCRACING for reliable parts.

Vehicle Fitment

Years Make Model Trim
1971-1975 Harley-Davidson FX Super Glide Base
1974-1975 Harley-Davidson FXE Super 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 70-75 Big Twin Voltage Regulator - Chrome

Ensure your classic Harley-Davidson Big Twin stays powered correctly with this high-quality voltage regulator from Twin Power. Designed specifically for 1970-1975 Big Twin models, this regulator replaces Harley-Davidson part number 74510-70A and provides a reliable 15 Amp output to keep your electrical system in check.

Key Features:

  • Direct Fit Replacement: Engineered to seamlessly replace H-D 74510-70A.
  • Durable Chrome Finish: Adds a touch of classic style to your motorcycle's electrical components.
  • 15 Amp Output: Provides sufficient power for your motorcycle's charging system.
  • Model Specific Fitment: Designed for 1971-1975 Harley-Davidson FX Super Glide and 1974-1975 Harley-Davidson FXE Super Glide models.

Proper voltage regulation is crucial for the longevity of your motorcycle's battery and electrical components. This regulator ensures your battery receives the correct charge, preventing overcharging or undercharging, which can lead to premature failure. Its robust construction guarantees dependable performance, even under demanding riding conditions.

Maintain the integrity of your vintage Harley-Davidson's electrical system. This Twin Power voltage regulator is the perfect solution for restoring or upgrading your bike's charging capabilities. Trust GGCRACING for reliable parts.

Vehicle Fitment

Years Make Model Trim
1971-1975 Harley-Davidson FX Super Glide Base
1974-1975 Harley-Davidson FXE Super 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 70-75 Big Twin Voltage Regulator - Chrome

Ensure your classic Harley-Davidson Big Twin stays powered correctly with this high-quality voltage regulator from Twin Power. Designed specifically for 1970-1975 Big Twin models, this regulator replaces Harley-Davidson part number 74510-70A and provides a reliable 15 Amp output to keep your electrical system in check.

Key Features:

  • Direct Fit Replacement: Engineered to seamlessly replace H-D 74510-70A.
  • Durable Chrome Finish: Adds a touch of classic style to your motorcycle's electrical components.
  • 15 Amp Output: Provides sufficient power for your motorcycle's charging system.
  • Model Specific Fitment: Designed for 1971-1975 Harley-Davidson FX Super Glide and 1974-1975 Harley-Davidson FXE Super Glide models.

Proper voltage regulation is crucial for the longevity of your motorcycle's battery and electrical components. This regulator ensures your battery receives the correct charge, preventing overcharging or undercharging, which can lead to premature failure. Its robust construction guarantees dependable performance, even under demanding riding conditions.

Maintain the integrity of your vintage Harley-Davidson's electrical system. This Twin Power voltage regulator is the perfect solution for restoring or upgrading your bike's charging capabilities. Trust GGCRACING for reliable parts.

Vehicle Fitment

Years Make Model Trim
1971-1975 Harley-Davidson FX Super Glide Base
1974-1975 Harley-Davidson FXE Super Glide Base

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