Replacement Piston — Bore 3.503" , Oversize +0.005" , Stroke 4-1/4"

Drag Specialties Replacement Piston — Bore 3.503", Oversize +0.005", Stroke 4-1/4"

Fits: Big Twin 1984-1986 · Touring 1983-1996 · Dyna 1991, 1994 · FXR 1984-1994 · CVO 1999 · Police 1984 · Softail 1985-1989, 1998

DRAG SPECIALTIES
DS-750740
750740-BX-LB1

OEM-quality cast aluminum alloy replacement piston kit; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

Our price €72.60
RRP: €80.31RRP = manufacturer's recommended retail price
VAT included
In stock, ships in 2-3 days

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Description

Replacement piston engineered from OEM-quality cast aluminum alloy for reliable performance.

  • Some fitments feature a coating that extends piston life, reduces friction and allows for cooler running engines.
  • Ideal for OEM replacement.
  • Economical with great performance, all in one package.
  • Kits include two pistons, wrist pins and clips for a complete install.
  • Accepts OEM or Hastings rings (order separately).

Specifications

Bore Oversize +0.005"

Fitment

Model Years
Harley Davidson
FLH 1340 (Electra Glide Belt Drive) 1984
FLHS 1340 (Electra Glide Sport) 1988–1990, 1993
FLHT 1340 (Electra Glide) 1984, 1986–1987
FLHTC 1340 (Electra Glide Classic) 1983, 1986–1991
FLHTCU 1340 (Electra Glide Ultra Classic) 1989–1992
FLHTCUI 1340 EFI (Electra Glide Ultra Classic Special Anniversary Edition) 1995
FLHTE 1340 (Electra Glide Classic) 1984
FLTC 1340 (Tour Glide Classic) 1984–1990
FLTCU 1340 (Tour Glide Ultra Classic) 1989–1990, 1993–1994, 1996
FXDB 1340 (Dyna Glide Sturgis) 1991
FXDG 1340 1984
FXDS-CON 1340 (Dyna Super Glide Convertible) 1994
FXE 1340 (Super Glide) 1984
FXEF 1340 (Fat Bob) 1985–1986
FXLR 1340 (Low Rider Custom) 1987–1994
FXR 1340 (Super Glide) 1986–1994
FXR 1340 II (Super Glide II) 1984
FXR2 1340 (Super Glide Screamin Eagle) 1999
FXR3 1340 (Super Glide Screamin Eagle) 1999
FXRC 1340 (Low Glide Custom) 1985
FXRD 1340 (Disc Glide) 1986
FXRDG 1340 (Disc Glide) 1984–1985
FXRP 1340 (Sport Glide Police) 1984
FXRS 1340 (Low Glide) 1984–1985
FXRS 1340 (Low Rider) 1986–1992
FXRS CON. 1340 (Low Rider Convertible) 1989–1993
FXRS-SP 1340 (Low Rider Sport Edition (Fxrsl)) 1987–1993
FXRT 1340 (Sport Glide) 1984–1992
FXSB 1340 (Low Rider) 1984–1985
FXST 1340 (Softail) 1985–1986

+ 4 more models across 1 make in total.

Part numbers

Manufacturer part number 750740-BX-LB1
: DS-750740
In Stock

Data sheet

Units
Kit
Brand
DRAG SPECIALTIES
Bore - Oversize
+0.005"
Piston Material
Aluminum
Bore Size
3,503"
Piston Diameter
3,503"
3.503"
Stroke Length
4-1/4"
Compression Ratio
8.5:1
Model Family
CVO
Dyna
FXR
Softail
Touring
Vintage Big Twin

Vehicle Fitments

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Belt Drive Big Twin 1984
Harley Davidson Electra Glide Sport Touring 1988
Harley Davidson Electra Glide Sport Touring 1989
Harley Davidson Electra Glide Sport Touring 1990
Harley Davidson Electra Glide Sport Touring 1993
Harley Davidson Electra Glide Touring 1984
Harley Davidson Electra Glide Touring 1986
Harley Davidson Electra Glide Touring 1987
Harley Davidson Electra Glide Classic Touring 1983
Harley Davidson Electra Glide Classic Touring 1986
Harley Davidson Electra Glide Classic Touring 1987
Harley Davidson Electra Glide Classic Touring 1988
Harley Davidson Electra Glide Classic Touring 1989
Harley Davidson Electra Glide Classic Touring 1990
Harley Davidson Electra Glide Classic Touring 1991
Harley Davidson Electra Glide Ultra Classic Touring 1989
Harley Davidson Electra Glide Ultra Classic Touring 1990
Harley Davidson Electra Glide Ultra Classic Touring 1991
Harley Davidson Electra Glide Ultra Classic Touring 1992
Harley Davidson Electra Glide Ultra Classic Special Anniversary Edition Touring 1995
Harley Davidson Electra Glide Classic Touring 1984
Harley Davidson Tour Glide Classic Touring 1984
Harley Davidson Tour Glide Classic Touring 1985
Harley Davidson Tour Glide Classic Touring 1986
Harley Davidson Tour Glide Classic Touring 1987
Harley Davidson Tour Glide Classic Touring 1988
Harley Davidson Tour Glide Classic Touring 1989
Harley Davidson Tour Glide Classic Touring 1990
Harley Davidson Tour Glide Ultra Classic Touring 1989
Harley Davidson Tour Glide Ultra Classic Touring 1990
Harley Davidson Tour Glide Ultra Classic Touring 1993
Harley Davidson Tour Glide Ultra Classic Touring 1994
Harley Davidson Tour Glide Ultra Classic Touring 1996
Harley Davidson Dyna Glide Sturgis Dyna 1991
Harley Davidson Big Twin 1984
Harley Davidson Dyna Super Glide Convertible Dyna 1994
Harley Davidson Super Glide Big Twin 1984
Harley Davidson Fat Bob Big Twin 1985
Harley Davidson Fat Bob Big Twin 1986
Harley Davidson Low Rider Custom FXR 1987
Harley Davidson Low Rider Custom FXR 1988
Harley Davidson Low Rider Custom FXR 1989
Harley Davidson Low Rider Custom FXR 1990
Harley Davidson Low Rider Custom FXR 1991
Harley Davidson Low Rider Custom FXR 1992
Harley Davidson Low Rider Custom FXR 1993
Harley Davidson Low Rider Custom FXR 1994
Harley Davidson Super Glide FXR 1986
Harley Davidson Super Glide FXR 1987
Harley Davidson Super Glide FXR 1988
Harley Davidson Super Glide FXR 1989
Harley Davidson Super Glide FXR 1990
Harley Davidson Super Glide FXR 1991
Harley Davidson Super Glide FXR 1992
Harley Davidson Super Glide FXR 1993
Harley Davidson Super Glide FXR 1994
Harley Davidson Super Glide II FXR 1984
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Low Glide Custom FXR 1985
Harley Davidson Disc Glide FXR 1986
Harley Davidson Disc Glide Big Twin 1984
Harley Davidson Disc Glide Big Twin 1985
Harley Davidson Sport Glide Police Police 1984
Harley Davidson Low Glide FXR 1984
Harley Davidson Low Glide FXR 1985
Harley Davidson Low Rider FXR 1986
Harley Davidson Low Rider FXR 1987
Harley Davidson Low Rider FXR 1988
Harley Davidson Low Rider FXR 1989
Harley Davidson Low Rider FXR 1990
Harley Davidson Low Rider FXR 1991
Harley Davidson Low Rider FXR 1992
Harley Davidson Low Rider Convertible FXR 1989
Harley Davidson Low Rider Convertible FXR 1990
Harley Davidson Low Rider Convertible FXR 1991
Harley Davidson Low Rider Convertible FXR 1992
Harley Davidson Low Rider Convertible FXR 1993
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1987
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1988
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1989
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1990
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1991
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1992
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1993
Harley Davidson Sport Glide FXR 1984
Harley Davidson Sport Glide FXR 1985
Harley Davidson Sport Glide FXR 1986
Harley Davidson Sport Glide FXR 1987
Harley Davidson Sport Glide FXR 1988
Harley Davidson Sport Glide FXR 1989
Harley Davidson Sport Glide FXR 1990
Harley Davidson Sport Glide FXR 1991
Harley Davidson Sport Glide FXR 1992
Harley Davidson Low Rider Big Twin 1984
Harley Davidson Low Rider Big Twin 1985
Harley Davidson Softail Softail 1985
Harley Davidson Softail Softail 1986
Harley Davidson Softail Night Train Softail 1998
Harley Davidson Softail Custom Softail 1986
Harley Davidson Softail Custom Softail 1987
Harley Davidson Softail Custom Softail 1989
Harley Davidson Softail Springer Softail 1988
Harley Davidson Softail Springer Softail 1989
Harley Davidson Wide Glide Big Twin 1984
Harley Davidson Wide Glide Big Twin 1985
Harley Davidson Wide Glide Big Twin 1986

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