Drag Specialties DS-750751 +0.010" Piston Kit – Harley-Davidson Sportster 1000 (1972–1985)
OEM-Quality | Lightweight Aluminum | Fits XLH, XLCH, XLS, XR, XLX, XLT, XLCR

Description:

Refresh your vintage Ironhead with this Drag Specialties DS-750751 Piston Kit, a high-quality +0.010" oversized set designed for Harley-Davidson Sportster 1000cc engines from 1972–1985. Crafted from cast aluminum alloy for strength and heat dissipation, these pistons are a direct OE-style replacement—perfect for a rebuild that restores performance and reliability.

Kit Features:

• OEM-quality cast aluminum alloy construction

• Some fitments feature friction-reducing coating for cooler, longer-lasting performance

• Accepts OEM or Hastings piston rings (sold separately)

• Includes two pistons, two wrist pins, and four clips

• Ideal for restorations and top-end refreshes

Specs:

• Bore Size: 3.197"

• Bore Oversize: +0.010"

• Compression Ratio: 9.0:1

• Stroke Length: 3-13/16"

• Piston Material: Aluminum

• Units: Pair

• Weight: 2.18 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 kit is designed for +0.010" overbore cylinders. Confirm sizing before installation.