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Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

  • Part #: H1320
  • Manufacturer Part #: DS750730
Our Price: $34.95
Please select Bore Size
2 on Hand

Overview of Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

  • Keep the heart of your Harley pumping with these high-quality, cast aluminum pistons
  • Big Twin 41-80 and Shovelhead 78-84 feature internal steel struts to control heat expansion and come in stock and low-compression versions for most Harley-Davidson models
  • Pistons come complete with wrist pins and keepers; rings are not included (we suggest using Hastings rings), choose either Part No. H1310R for chromoly top ring set or Part No. H13004 for cast ring set
  • Ratio 7.2:1
  • Sold each


  • Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

Specs for Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

Bore Size 3.498 in.
Compression Ratio 7.2:1
Type Piston
Type Piston w/o Ring Set
Units Each
Weight 2.93 lbs

Specs for Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

Bore Size 3.498 in.
Compression Ratio 7.2:1
Type Piston
Type Piston w/o Ring Set
Units Each
Weight 2.93 lbs

Fitment for Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

See if this part fits your ride

Part H1320 fits the following machines

Harley-Davidson
  • 1983 Harley-Davidson Disc Glide - FXDG
  • 1984 Harley-Davidson Electra Glide - FLH
  • 1983 Harley-Davidson Electra Glide - FLH
  • 1982 Harley-Davidson Electra Glide - FLH
  • 1981 Harley-Davidson Electra Glide - FLH
  • 1980 Harley-Davidson Electra Glide - FLH-80
  • 1979 Harley-Davidson Electra Glide - FLH-80
  • 1981 Harley-Davidson Electra Glide - FLHS
  • 1980 Harley-Davidson Electra Glide - FLHS
  • 1981 Harley-Davidson Electra Glide Classic - FLHC
  • 1980 Harley-Davidson Electra Glide Classic - FLHC
  • 1979 Harley-Davidson Electra Glide Classic - FLHC
  • 1981 Harley-Davidson Electra Glide Heritage - FLH
  • 1984 Harley-Davidson Electra Glide Special - FLHX
  • 1984 Harley-Davidson Electra Glide Sport - FLHS
  • 1983 Harley-Davidson Electra Glide Sport - FLHS
  • 1982 Harley-Davidson Electra Glide Sport - FLHS
  • 1981 Harley-Davidson Fat Bob - FXEF
  • 1980 Harley-Davidson Fat Bob - FXEF
  • 1979 Harley-Davidson Fat Bob - FXEF-80
  • 1982 Harley-Davidson Low Rider - FXS
  • 1981 Harley-Davidson Low Rider - FXS
  • 1980 Harley-Davidson Low Rider - FXS-80
  • 1979 Harley-Davidson Low Rider - FXS-80
  • 1984 Harley-Davidson Low Rider - FXSB
  • 1983 Harley-Davidson Low Rider - FXSB
  • 1983 Harley-Davidson Sport Glide - FXRT
  • 1982 Harley-Davidson Sturgis - FXB
  • 1981 Harley-Davidson Sturgis - FXB
  • 1980 Harley-Davidson Sturgis - FXB
  • 1984 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide - FXE
  • 1982 Harley-Davidson Super Glide - FXE
  • 1981 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide II - FXR
  • 1982 Harley-Davidson Super Glide II - FXR
  • 1983 Harley-Davidson Super Glide II - FXRS
  • 1982 Harley-Davidson Super Glide II - FXRS
  • 1983 Harley-Davidson Tour Glide - FLT
  • 1982 Harley-Davidson Tour Glide - FLT
  • 1981 Harley-Davidson Tour Glide - FLT
  • 1980 Harley-Davidson Tour Glide - FLT
  • 1984 Harley-Davidson Tour Glide Classic - FLTC
  • 1984 Harley-Davidson Wide Glide - FXWG
  • 1983 Harley-Davidson Wide Glide - FXWG
  • 1982 Harley-Davidson Wide Glide - FXWG
  • 1981 Harley-Davidson Wide Glide - FXWG
  • 1980 Harley-Davidson Wide Glide - FXWG
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Instructions and Manuals for Drag Specialties Low Compression Piston - 3.498 in. Bore/7.2:1 Ratio - DS750730

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