Twin Power Big Twin Polished Oil Pump — 1973-1991

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SKU: TWP495534
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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.

Watch in action

Twin Power Polished Oil Pump for Big Twin Motorcycles

Maintain optimal engine lubrication and performance with the Twin Power Polished Oil Pump, designed for Harley-Davidson Big Twin models from 1973 to 1991. This high-quality, polished aluminum oil pump serves as a direct replacement for stock units, ensuring reliable oil pressure regulation throughout your engine. Proper lubrication is critical for reducing friction, dissipating heat, and extending the life of your engine's internal components.

Key Features and Benefits:

  • Polished Aluminum Construction: Offers a durable and aesthetically pleasing finish.
  • Improved Oil Pressure: Engineered to provide consistent and accurate oil pressure for critical engine parts.
  • Direct Replacement Fitment: Designed to seamlessly integrate with 1973-1991 Big Twin models, simplifying installation.
  • Enhanced Engine Longevity: By ensuring proper lubrication, this pump helps prevent premature wear and potential engine damage.
  • Reliable Performance: Built to Twin Power's high standards for dependable operation.

This polished oil pump is an essential upgrade or replacement for any Big Twin owner looking to ensure their engine receives the consistent oil flow it needs to perform at its best. Whether you're rebuilding an engine or performing routine maintenance, this Twin Power oil pump provides the reliability and quality required for peace of mind on the road.

Keep your Big Twin running smoothly and reliably. Order the Twin Power Polished Oil Pump from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1991 Harley-Davidson FLHS Electra Glide Sport Base
1983-1990 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1988-1991 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1991 Harley-Davidson FLSTF Fat Boy Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1973-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1991 Harley-Davidson FXLR Low Rider Custom Base
1982-1991 Harley-Davidson FXR Super Glide II Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1991 Harley-Davidson FXRPF Police Base
1982-1991 Harley-Davidson FXRS Low Glide Base
1990-1991 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-1991 Harley-Davidson FXST Softail Standard Base
1988-1991 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.

Watch in action

Twin Power Polished Oil Pump for Big Twin Motorcycles

Maintain optimal engine lubrication and performance with the Twin Power Polished Oil Pump, designed for Harley-Davidson Big Twin models from 1973 to 1991. This high-quality, polished aluminum oil pump serves as a direct replacement for stock units, ensuring reliable oil pressure regulation throughout your engine. Proper lubrication is critical for reducing friction, dissipating heat, and extending the life of your engine's internal components.

Key Features and Benefits:

  • Polished Aluminum Construction: Offers a durable and aesthetically pleasing finish.
  • Improved Oil Pressure: Engineered to provide consistent and accurate oil pressure for critical engine parts.
  • Direct Replacement Fitment: Designed to seamlessly integrate with 1973-1991 Big Twin models, simplifying installation.
  • Enhanced Engine Longevity: By ensuring proper lubrication, this pump helps prevent premature wear and potential engine damage.
  • Reliable Performance: Built to Twin Power's high standards for dependable operation.

This polished oil pump is an essential upgrade or replacement for any Big Twin owner looking to ensure their engine receives the consistent oil flow it needs to perform at its best. Whether you're rebuilding an engine or performing routine maintenance, this Twin Power oil pump provides the reliability and quality required for peace of mind on the road.

Keep your Big Twin running smoothly and reliably. Order the Twin Power Polished Oil Pump from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1991 Harley-Davidson FLHS Electra Glide Sport Base
1983-1990 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1988-1991 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1991 Harley-Davidson FLSTF Fat Boy Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1973-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1991 Harley-Davidson FXLR Low Rider Custom Base
1982-1991 Harley-Davidson FXR Super Glide II Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1991 Harley-Davidson FXRPF Police Base
1982-1991 Harley-Davidson FXRS Low Glide Base
1990-1991 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-1991 Harley-Davidson FXST Softail Standard Base
1988-1991 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.

Watch in action

Twin Power Polished Oil Pump for Big Twin Motorcycles

Maintain optimal engine lubrication and performance with the Twin Power Polished Oil Pump, designed for Harley-Davidson Big Twin models from 1973 to 1991. This high-quality, polished aluminum oil pump serves as a direct replacement for stock units, ensuring reliable oil pressure regulation throughout your engine. Proper lubrication is critical for reducing friction, dissipating heat, and extending the life of your engine's internal components.

Key Features and Benefits:

  • Polished Aluminum Construction: Offers a durable and aesthetically pleasing finish.
  • Improved Oil Pressure: Engineered to provide consistent and accurate oil pressure for critical engine parts.
  • Direct Replacement Fitment: Designed to seamlessly integrate with 1973-1991 Big Twin models, simplifying installation.
  • Enhanced Engine Longevity: By ensuring proper lubrication, this pump helps prevent premature wear and potential engine damage.
  • Reliable Performance: Built to Twin Power's high standards for dependable operation.

This polished oil pump is an essential upgrade or replacement for any Big Twin owner looking to ensure their engine receives the consistent oil flow it needs to perform at its best. Whether you're rebuilding an engine or performing routine maintenance, this Twin Power oil pump provides the reliability and quality required for peace of mind on the road.

Keep your Big Twin running smoothly and reliably. Order the Twin Power Polished Oil Pump from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1991 Harley-Davidson FLHS Electra Glide Sport Base
1983-1990 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1988-1991 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1991 Harley-Davidson FLSTF Fat Boy Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1973-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1991 Harley-Davidson FXLR Low Rider Custom Base
1982-1991 Harley-Davidson FXR Super Glide II Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1991 Harley-Davidson FXRPF Police Base
1982-1991 Harley-Davidson FXRS Low Glide Base
1990-1991 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-1991 Harley-Davidson FXST Softail Standard Base
1988-1991 Harley-Davidson FXSTS Springer Softail Base

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