Twin Power GYZ-20H Premium MAX AGM Battery — Replaces H-D 65991-82B

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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 GYZ-20H Premium MAX AGM Battery

Experience the pinnacle of battery technology with the Twin Power GYZ-20H Premium MAX Factory-Activated AGM Battery. Engineered for the demanding needs of Harley-Davidson motorcycles, this battery offers unparalleled performance and reliability. As the most advanced lead-acid type battery available, it comes factory-activated, filled, sealed, and charged, ensuring it's ready to power your ride right out of the box.

Key Features and Benefits:

  • Extreme Vibration Resistance: Built to withstand the rigors of the road, reducing the risk of premature failure.
  • Higher Cranking Amps: Ensures reliable starting power, even in challenging conditions.
  • Heavy-Duty Terminals: Provides a secure and robust connection for optimal current transfer.
  • Patent-Pending Embedded Brass Nuts: Enhances durability and conductivity for a long-lasting performance.
  • Superior Grid Components: Contributes to better charge recovery and overall battery longevity.
  • Direct Replacement: Specifically designed to replace Harley-Davidson part number 65991-82B, ensuring a perfect fit.

This Premium MAX battery is meticulously manufactured in the USA, adhering to the highest quality standards. Its advanced AGM (Absorbent Glass Mat) construction offers a sealed, maintenance-free design, eliminating the need for water top-offs and preventing leaks. Whether you're cruising on a classic or a modern machine, the GYZ-20H provides the dependable power you need.

Invest in the best for your motorcycle's electrical system. Choose the Twin Power GYZ-20H Premium MAX AGM Battery for unmatched performance and peace of mind on every ride. Find this exceptional battery and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987 Buell RR1000 Base
1989-1990 Buell RR1200 Base
1989-1993 Buell RS1200 Base
1992-1993 Buell RSS1200 Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1990 Harley-Davidson FLSTF Fat Boy Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1984 Harley-Davidson FXEF Fat Bob Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1984-1990 Harley-Davidson FXST Softail Standard Base
1988-1990 Harley-Davidson FXSTS Springer Softail Base
1995-1996 Harley-Davidson XL1200C Sportster 1200 Custom Base
1995-1996 Harley-Davidson XL1200S Sportster 1200 Sport Base
1986-1987 Harley-Davidson XLH1100 Base
1988-1996 Harley-Davidson XLH1200 Base
1986-1996 Harley-Davidson XLH883 Base
1986-1996 Harley-Davidson XLH883DLX Sportster 883 Deluxe Base
1987-1996 Harley-Davidson XLH883HUG Sportster 883 Hugger 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 GYZ-20H Premium MAX AGM Battery

Experience the pinnacle of battery technology with the Twin Power GYZ-20H Premium MAX Factory-Activated AGM Battery. Engineered for the demanding needs of Harley-Davidson motorcycles, this battery offers unparalleled performance and reliability. As the most advanced lead-acid type battery available, it comes factory-activated, filled, sealed, and charged, ensuring it's ready to power your ride right out of the box.

Key Features and Benefits:

  • Extreme Vibration Resistance: Built to withstand the rigors of the road, reducing the risk of premature failure.
  • Higher Cranking Amps: Ensures reliable starting power, even in challenging conditions.
  • Heavy-Duty Terminals: Provides a secure and robust connection for optimal current transfer.
  • Patent-Pending Embedded Brass Nuts: Enhances durability and conductivity for a long-lasting performance.
  • Superior Grid Components: Contributes to better charge recovery and overall battery longevity.
  • Direct Replacement: Specifically designed to replace Harley-Davidson part number 65991-82B, ensuring a perfect fit.

This Premium MAX battery is meticulously manufactured in the USA, adhering to the highest quality standards. Its advanced AGM (Absorbent Glass Mat) construction offers a sealed, maintenance-free design, eliminating the need for water top-offs and preventing leaks. Whether you're cruising on a classic or a modern machine, the GYZ-20H provides the dependable power you need.

Invest in the best for your motorcycle's electrical system. Choose the Twin Power GYZ-20H Premium MAX AGM Battery for unmatched performance and peace of mind on every ride. Find this exceptional battery and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987 Buell RR1000 Base
1989-1990 Buell RR1200 Base
1989-1993 Buell RS1200 Base
1992-1993 Buell RSS1200 Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1990 Harley-Davidson FLSTF Fat Boy Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1984 Harley-Davidson FXEF Fat Bob Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1984-1990 Harley-Davidson FXST Softail Standard Base
1988-1990 Harley-Davidson FXSTS Springer Softail Base
1995-1996 Harley-Davidson XL1200C Sportster 1200 Custom Base
1995-1996 Harley-Davidson XL1200S Sportster 1200 Sport Base
1986-1987 Harley-Davidson XLH1100 Base
1988-1996 Harley-Davidson XLH1200 Base
1986-1996 Harley-Davidson XLH883 Base
1986-1996 Harley-Davidson XLH883DLX Sportster 883 Deluxe Base
1987-1996 Harley-Davidson XLH883HUG Sportster 883 Hugger 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 GYZ-20H Premium MAX AGM Battery

Experience the pinnacle of battery technology with the Twin Power GYZ-20H Premium MAX Factory-Activated AGM Battery. Engineered for the demanding needs of Harley-Davidson motorcycles, this battery offers unparalleled performance and reliability. As the most advanced lead-acid type battery available, it comes factory-activated, filled, sealed, and charged, ensuring it's ready to power your ride right out of the box.

Key Features and Benefits:

  • Extreme Vibration Resistance: Built to withstand the rigors of the road, reducing the risk of premature failure.
  • Higher Cranking Amps: Ensures reliable starting power, even in challenging conditions.
  • Heavy-Duty Terminals: Provides a secure and robust connection for optimal current transfer.
  • Patent-Pending Embedded Brass Nuts: Enhances durability and conductivity for a long-lasting performance.
  • Superior Grid Components: Contributes to better charge recovery and overall battery longevity.
  • Direct Replacement: Specifically designed to replace Harley-Davidson part number 65991-82B, ensuring a perfect fit.

This Premium MAX battery is meticulously manufactured in the USA, adhering to the highest quality standards. Its advanced AGM (Absorbent Glass Mat) construction offers a sealed, maintenance-free design, eliminating the need for water top-offs and preventing leaks. Whether you're cruising on a classic or a modern machine, the GYZ-20H provides the dependable power you need.

Invest in the best for your motorcycle's electrical system. Choose the Twin Power GYZ-20H Premium MAX AGM Battery for unmatched performance and peace of mind on every ride. Find this exceptional battery and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987 Buell RR1000 Base
1989-1990 Buell RR1200 Base
1989-1993 Buell RS1200 Base
1992-1993 Buell RSS1200 Base
1995-1996 Buell S2 Thunderbolt Base
1996 Buell S2T Thunderbolt Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1990 Harley-Davidson FLSTF Fat Boy Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1984 Harley-Davidson FXEF Fat Bob Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1984-1990 Harley-Davidson FXST Softail Standard Base
1988-1990 Harley-Davidson FXSTS Springer Softail Base
1995-1996 Harley-Davidson XL1200C Sportster 1200 Custom Base
1995-1996 Harley-Davidson XL1200S Sportster 1200 Sport Base
1986-1987 Harley-Davidson XLH1100 Base
1988-1996 Harley-Davidson XLH1200 Base
1986-1996 Harley-Davidson XLH883 Base
1986-1996 Harley-Davidson XLH883DLX Sportster 883 Deluxe Base
1987-1996 Harley-Davidson XLH883HUG Sportster 883 Hugger Base

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