S&S Cycle 80in Cast Flat-Topped Piston Kit — Fits 1984-1999 Harley-Davidson Big Twin w/ Stock Heads

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Sale price$171.99 Regular price$175.95
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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 S&S Cycle

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

Watch in action

Reliable Performance with S&S Cycle 80in Cast Piston Kit

Restore or enhance the performance of your classic Harley-Davidson Big Twin with the S&S Cycle 80in Cast Flat-Topped Replacement Piston Kit. Specifically designed for 1984-1999 Big Twin models equipped with stock heads, this kit provides a dependable solution for engine rebuilds and upgrades. The cast flat-topped design ensures compatibility and efficient operation within the original engine configuration.

Key Features and Benefits:

  • Direct Replacement: Engineered to fit 1984-1999 Harley-Davidson Big Twin engines with stock cylinder heads.
  • 80 Cubic Inch Displacement: Ideal for maintaining or rebuilding the popular 80in engine size.
  • Durable Cast Construction: Made from high-quality cast aluminum for strength and longevity.
  • Flat-Topped Design: Ensures proper compression and compatibility with stock head configurations.
  • Cost-Effective Solution: Provides excellent value for engine repairs and performance enhancements.

This S&S Cycle piston kit is perfect for enthusiasts looking to maintain the authentic performance of their vintage Harley-Davidson or for those undertaking a reliable engine overhaul. Ensure your Big Twin runs smoothly and powerfully with this quality replacement part.

Get the dependable performance you expect from S&S Cycle. Find this 80in Cast Flat-Topped Piston Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1998 Harley-Davidson FLHR Road King Base
1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1986-1998 Harley-Davidson FLHT Electra Glide Standard Base
1989-1997 Harley-Davidson FLHTC Electra Glide Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1989-1993 Harley-Davidson FLTC Tour Glide Classic Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998 Harley-Davidson FLTR Road Glide Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1992 Harley-Davidson FXDB-D Dyna Glide Daytona Base
1992 Harley-Davidson FXDC Super Glide Custom Base
1993-1998 Harley-Davidson FXDL Dyna Low Rider Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1984-1999 Harley-Davidson FXST Softail Standard Base
1999 Harley-Davidson FXSTB Night Train Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

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

Watch in action

Reliable Performance with S&S Cycle 80in Cast Piston Kit

Restore or enhance the performance of your classic Harley-Davidson Big Twin with the S&S Cycle 80in Cast Flat-Topped Replacement Piston Kit. Specifically designed for 1984-1999 Big Twin models equipped with stock heads, this kit provides a dependable solution for engine rebuilds and upgrades. The cast flat-topped design ensures compatibility and efficient operation within the original engine configuration.

Key Features and Benefits:

  • Direct Replacement: Engineered to fit 1984-1999 Harley-Davidson Big Twin engines with stock cylinder heads.
  • 80 Cubic Inch Displacement: Ideal for maintaining or rebuilding the popular 80in engine size.
  • Durable Cast Construction: Made from high-quality cast aluminum for strength and longevity.
  • Flat-Topped Design: Ensures proper compression and compatibility with stock head configurations.
  • Cost-Effective Solution: Provides excellent value for engine repairs and performance enhancements.

This S&S Cycle piston kit is perfect for enthusiasts looking to maintain the authentic performance of their vintage Harley-Davidson or for those undertaking a reliable engine overhaul. Ensure your Big Twin runs smoothly and powerfully with this quality replacement part.

Get the dependable performance you expect from S&S Cycle. Find this 80in Cast Flat-Topped Piston Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1998 Harley-Davidson FLHR Road King Base
1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1986-1998 Harley-Davidson FLHT Electra Glide Standard Base
1989-1997 Harley-Davidson FLHTC Electra Glide Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1989-1993 Harley-Davidson FLTC Tour Glide Classic Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998 Harley-Davidson FLTR Road Glide Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1992 Harley-Davidson FXDB-D Dyna Glide Daytona Base
1992 Harley-Davidson FXDC Super Glide Custom Base
1993-1998 Harley-Davidson FXDL Dyna Low Rider Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1984-1999 Harley-Davidson FXST Softail Standard Base
1999 Harley-Davidson FXSTB Night Train Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base

Product Details

Product Description

About S&S Cycle

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

Watch in action

Reliable Performance with S&S Cycle 80in Cast Piston Kit

Restore or enhance the performance of your classic Harley-Davidson Big Twin with the S&S Cycle 80in Cast Flat-Topped Replacement Piston Kit. Specifically designed for 1984-1999 Big Twin models equipped with stock heads, this kit provides a dependable solution for engine rebuilds and upgrades. The cast flat-topped design ensures compatibility and efficient operation within the original engine configuration.

Key Features and Benefits:

  • Direct Replacement: Engineered to fit 1984-1999 Harley-Davidson Big Twin engines with stock cylinder heads.
  • 80 Cubic Inch Displacement: Ideal for maintaining or rebuilding the popular 80in engine size.
  • Durable Cast Construction: Made from high-quality cast aluminum for strength and longevity.
  • Flat-Topped Design: Ensures proper compression and compatibility with stock head configurations.
  • Cost-Effective Solution: Provides excellent value for engine repairs and performance enhancements.

This S&S Cycle piston kit is perfect for enthusiasts looking to maintain the authentic performance of their vintage Harley-Davidson or for those undertaking a reliable engine overhaul. Ensure your Big Twin runs smoothly and powerfully with this quality replacement part.

Get the dependable performance you expect from S&S Cycle. Find this 80in Cast Flat-Topped Piston Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1998 Harley-Davidson FLHR Road King Base
1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1986-1998 Harley-Davidson FLHT Electra Glide Standard Base
1989-1997 Harley-Davidson FLHTC Electra Glide Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1989-1993 Harley-Davidson FLTC Tour Glide Classic Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998 Harley-Davidson FLTR Road Glide Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1992 Harley-Davidson FXDB-D Dyna Glide Daytona Base
1992 Harley-Davidson FXDC Super Glide Custom Base
1993-1998 Harley-Davidson FXDL Dyna Low Rider Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1984-1999 Harley-Davidson FXST Softail Standard Base
1999 Harley-Davidson FXSTB Night Train Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base

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