Replacement Piston — Diameter 3.1875 in, Stroke 3-13/16 in

DRAG SPECIALTIES Replacement Piston — Diameter 3.1875 in, Stroke 3-13/16 in – 72-85 Sportster

DRAG SPECIALTIES
DS-750750
750750-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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€85.91
€95.31
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🔧 Premium OEM-quality replacement piston engineered for reliable operation and long-lasting performance.

  • OEM quality cast aluminum alloy construction
  • Some fitments feature a coating that extends piston life, reduces friction and helps engines run cooler
  • Ideal for OEM replacement and economical with great performance
  • Kits include two pistons, wrist pins and clips
  • Accepts OEM or Hastings rings (order separately)

🔩 Designed for straightforward installation and dependable service life.

: DS-750750
In Stock

Data sheet

Brand
DRAG SPECIALTIES
Bore - Oversize
Standard
Bore Size
3,1875"
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