Twin Power 66-Tooth Starter Ring Gear for 1990-1993 Harley-Davidson Big Twin

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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 66-Tooth Starter Ring Gear for Harley-Davidson Big Twin (1990-1993)

Ensure your Harley-Davidson Big Twin fires up reliably with this high-quality 66-tooth starter ring gear from Twin Power. Designed specifically for 1990-1993 models, this gear is a crucial component for your starter system, providing the necessary teeth for smooth engagement and powerful cranking.

Key Features:

  • Direct Fit: Engineered for a precise fit on 1990-1993 Harley-Davidson Big Twin models, including FLHS, FLHT, FLHTC, FLHTCU, FLST, FLSTC, FLSTF, FXLR, FXR, FXRPF, FXRS, FXRT, FXST, FXSTC, and FXSTS.
  • 66 Teeth: This specific tooth count is optimized for the starter motor engagement in the specified Big Twin applications.
  • Durable Construction: Built with robust materials to withstand the demands of repeated starting cycles.
  • Reliable Performance: Helps ensure consistent and powerful engine starting, reducing the risk of engagement issues.

Replacing a worn or damaged starter ring gear is essential for maintaining the performance and reliability of your motorcycle's starting system. This Twin Power gear offers a dependable solution, providing peace of mind and a strong start every time. Whether you're performing routine maintenance or a complete rebuild, this starter ring gear is an excellent choice for your vintage Harley-Davidson.

Invest in quality and keep your classic Big Twin running smoothly. Get your Twin Power 66-tooth starter ring gear today!

Vehicle Fitment

Years Make Model Trim
1990-1993 Harley-Davidson FLHS Electra Glide Sport Base
1990 Harley-Davidson FLHTC Electra Glide Classic Base
1992-1993 Harley-Davidson FLHTC Electra Glide Classic Base
1990-1993 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1990-1993 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1993 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FXDL Dyna Low Rider Base
1993 Harley-Davidson FXDWG Dyna Wide Glide Base
1990-1993 Harley-Davidson FXR Super Glide II Base
1990-1993 Harley-Davidson FXRPF Police Base
1990-1992 Harley-Davidson FXRS Low Glide Base
1990-1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1990-1993 Harley-Davidson FXST Softail Standard Base
1990-1993 Harley-Davidson FXSTS Springer Softail 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 66-Tooth Starter Ring Gear for Harley-Davidson Big Twin (1990-1993)

Ensure your Harley-Davidson Big Twin fires up reliably with this high-quality 66-tooth starter ring gear from Twin Power. Designed specifically for 1990-1993 models, this gear is a crucial component for your starter system, providing the necessary teeth for smooth engagement and powerful cranking.

Key Features:

  • Direct Fit: Engineered for a precise fit on 1990-1993 Harley-Davidson Big Twin models, including FLHS, FLHT, FLHTC, FLHTCU, FLST, FLSTC, FLSTF, FXLR, FXR, FXRPF, FXRS, FXRT, FXST, FXSTC, and FXSTS.
  • 66 Teeth: This specific tooth count is optimized for the starter motor engagement in the specified Big Twin applications.
  • Durable Construction: Built with robust materials to withstand the demands of repeated starting cycles.
  • Reliable Performance: Helps ensure consistent and powerful engine starting, reducing the risk of engagement issues.

Replacing a worn or damaged starter ring gear is essential for maintaining the performance and reliability of your motorcycle's starting system. This Twin Power gear offers a dependable solution, providing peace of mind and a strong start every time. Whether you're performing routine maintenance or a complete rebuild, this starter ring gear is an excellent choice for your vintage Harley-Davidson.

Invest in quality and keep your classic Big Twin running smoothly. Get your Twin Power 66-tooth starter ring gear today!

Vehicle Fitment

Years Make Model Trim
1990-1993 Harley-Davidson FLHS Electra Glide Sport Base
1990 Harley-Davidson FLHTC Electra Glide Classic Base
1992-1993 Harley-Davidson FLHTC Electra Glide Classic Base
1990-1993 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1990-1993 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1993 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FXDL Dyna Low Rider Base
1993 Harley-Davidson FXDWG Dyna Wide Glide Base
1990-1993 Harley-Davidson FXR Super Glide II Base
1990-1993 Harley-Davidson FXRPF Police Base
1990-1992 Harley-Davidson FXRS Low Glide Base
1990-1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1990-1993 Harley-Davidson FXST Softail Standard Base
1990-1993 Harley-Davidson FXSTS Springer Softail 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 66-Tooth Starter Ring Gear for Harley-Davidson Big Twin (1990-1993)

Ensure your Harley-Davidson Big Twin fires up reliably with this high-quality 66-tooth starter ring gear from Twin Power. Designed specifically for 1990-1993 models, this gear is a crucial component for your starter system, providing the necessary teeth for smooth engagement and powerful cranking.

Key Features:

  • Direct Fit: Engineered for a precise fit on 1990-1993 Harley-Davidson Big Twin models, including FLHS, FLHT, FLHTC, FLHTCU, FLST, FLSTC, FLSTF, FXLR, FXR, FXRPF, FXRS, FXRT, FXST, FXSTC, and FXSTS.
  • 66 Teeth: This specific tooth count is optimized for the starter motor engagement in the specified Big Twin applications.
  • Durable Construction: Built with robust materials to withstand the demands of repeated starting cycles.
  • Reliable Performance: Helps ensure consistent and powerful engine starting, reducing the risk of engagement issues.

Replacing a worn or damaged starter ring gear is essential for maintaining the performance and reliability of your motorcycle's starting system. This Twin Power gear offers a dependable solution, providing peace of mind and a strong start every time. Whether you're performing routine maintenance or a complete rebuild, this starter ring gear is an excellent choice for your vintage Harley-Davidson.

Invest in quality and keep your classic Big Twin running smoothly. Get your Twin Power 66-tooth starter ring gear today!

Vehicle Fitment

Years Make Model Trim
1990-1993 Harley-Davidson FLHS Electra Glide Sport Base
1990 Harley-Davidson FLHTC Electra Glide Classic Base
1992-1993 Harley-Davidson FLHTC Electra Glide Classic Base
1990-1993 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1990-1993 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1993 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FXDL Dyna Low Rider Base
1993 Harley-Davidson FXDWG Dyna Wide Glide Base
1990-1993 Harley-Davidson FXR Super Glide II Base
1990-1993 Harley-Davidson FXRPF Police Base
1990-1992 Harley-Davidson FXRS Low Glide Base
1990-1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1990-1993 Harley-Davidson FXST Softail Standard Base
1990-1993 Harley-Davidson FXSTS Springer Softail Base

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