Drag Specialties DS-750754 +0.040" Piston Kit – Harley-Davidson Sportster 1000 (1972–1985)
Cast Aluminum Pistons | OEM-Style Fit | Overbore Rebuild Kit

Description:

Refresh your Ironhead the right way with the Drag Specialties DS-750754 Piston Kit, designed for +0.040" overbore applications on Harley-Davidson Sportster 1000cc engines. Built with durability and performance in mind, this kit is perfect for top-end rebuilds, restorations, or performance upgrades.

Each kit includes two pistons, wrist pins, and clips—everything you need except rings, which are available separately.

Kit Features:

• OEM-quality cast aluminum alloy construction

• Some applications include coated pistons for longer life and reduced friction

• Accepts OEM or Hastings rings (sold separately)

• Includes: 2 pistons, 2 wrist pins, 4 circlips

• Engineered to restore compression and performance on classic Sportsters

Technical Specs:

• Bore Size: 3.227"

• Bore Oversize: +0.040"

• Compression Ratio: 9.0:1

• Stroke Length: 3-13/16"

• Material: Cast Aluminum

• Units: Pair

• Weight: 2.31 lbs

Fitment – Harley-Davidson Sportster 1000 (Ironhead):

• XLH: 1972–1985

• XLCH: 1972–1979

• XLS Roadster: 1979–1985

• XLX: 1983–1985

• XR: 1983–1984

• XLT: 1977–1978

• XLCR Café Racer: 1977–1978

Note: This piston kit is for +0.040" overbore cylinders. Confirm cylinder specs before ordering.