Replacement Piston — Bore 3.237", Oversize +0.050", Stroke 3-13/16"

DRAG SPECIALTIES Replacement Piston — Bore 3.237", Oversize +0.050", Stroke 3-13/16" – 72-85 Sportster

DS-750755
750755-BX-LB1
OEM-quality cast aluminum pistons; kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).
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€89.54
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Direct-fit replacement piston engineered for reliable, economical performance.

  • OEM quality cast aluminum alloy construction
  • 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
  • Accept OEM or Hastings rings (order separately)

Designed for straightforward installation; rings and installation hardware may be required separately.

: DS-750755
In Stock

Data sheet

Units
Pair
Brand
DRAG SPECIALTIES
Bore - Oversize
+0.050"
Piston Material
Aluminum
Bore Size
3,237"
Piston Diameter
3,237"
3.237"
Stroke Length
3-13/16"
Compression Ratio
9.0:1
Harley Family
Sportster

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

Manufacturer Model Family Year Notes
Harley Davidson Sportster Sportster 1972
Harley Davidson Sportster Sportster 1973
Harley Davidson Sportster Sportster 1974
Harley Davidson Sportster Sportster 1975
Harley Davidson Sportster Sportster 1976
Harley Davidson Sportster Sportster 1977
Harley Davidson Sportster Sportster 1978
Harley Davidson Cafe Racer Sportster 1977
Harley Davidson Cafe Racer Sportster 1978
Harley Davidson Sportster Sportster 1972
Harley Davidson Sportster Sportster 1973
Harley Davidson Sportster Sportster 1974
Harley Davidson Sportster Sportster 1975
Harley Davidson Sportster Sportster 1976
Harley Davidson Sportster Sportster 1977
Harley Davidson Sportster Sportster 1978
Harley Davidson Sportster Sportster 1979
Harley Davidson Sportster Sportster 1980
Harley Davidson Sportster Sportster 1981
Harley Davidson Sportster Sportster 1982
Harley Davidson Sportster Sportster 1983
Harley Davidson Sportster Sportster 1984
Harley Davidson Sportster Sportster 1985
Harley Davidson Roadster Sportster 1978
Harley Davidson Roadster Sportster 1979
Harley Davidson Roadster Sportster 1980
Harley Davidson Roadster Sportster 1981
Harley Davidson Roadster Sportster 1982
Harley Davidson Roadster Custom Sport Sportster 1983
Harley Davidson Roadster Sportster 1984
Harley Davidson Roadster Sportster 1985
Harley Davidson Sportster Sportster 1977
Harley Davidson Sportster Sportster 1978
Harley Davidson Sportster Sportster 1983
Harley Davidson Sportster Sportster 1984
Harley Davidson Sportster Sportster 1985