Drag Specialties DS-750755 +0.050" Piston Kit – Harley-Davidson Sportster 1000 (1972–1985)
Overbore Rebuild | OEM-Fit | Cast Aluminum | Classic Ironhead Fitment

Description:

Restore your Ironhead Sportster’s top end with confidence using the Drag Specialties DS-750755 Piston Kit, designed for +0.050" overbore cylinders. Made from durable cast aluminum alloy and machined to OEM specifications, this kit offers both reliability and performance at a great value.

Ideal for classic Harley builds, repairs, or full-on restorations, the DS-750755 delivers clean compression and smooth operation with every stroke.

Kit Features:

• OEM-quality cast aluminum pistons

• Some fitments feature anti-friction coating for cooler engine operation

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

• Compatible with OEM or Hastings rings (sold separately)

• Excellent fit for high-mileage rebuilds or oversized reboring

Technical Specs:

• Bore Size: 3.237"

• Bore Oversize: +0.050"

• Compression Ratio: 9.0:1

• Stroke Length: 3-13/16"

• Material: Aluminum

• Units: Pair

• Weight: 2.38 lbs

Fitment – Harley-Davidson Sportster 1000 (Ironhead Models):

• 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: Kit is designed for +0.050" overbore cylinders. Verify cylinder bore before ordering.