DRAG SPECIALTIES Replacement Piston — Designed for the preparation and restoration of large Harley twins, this oversized piston +0.010" provides a reliable solution to restore factory specifications. Made from OEM quality cast aluminium alloy, it fits into both road and vintage engine revisions without compromising reliability.
- Manufacturer Reference: 21988-07+.010
- Oversized Bore: +0.010 (imperial +0.010)
- Piston Diameter: 3.760"
- Stroke Length: 4-3/8"
- Material: Cast Aluminium
- Kit Contents: two pistons, pins and circlips
- Rings: compatible with OEM or Hastings rings (to be ordered separately)
- Finish: some versions feature a coating that extends lifespan, reduces friction, and contributes to cooler engine operation
Ideal for riders maintaining Classics and touring machines, this piston is particularly suitable for the Harley Davidson FXDC, FXDB 1584 cc (2013 model year) listed as reference. Installation during a cylinder overhaul, replacement after wear, or recalibration during reboring: it is a part designed for the road and long journeys.
Product from DRAG SPECIALTIES, category PISTONS ONLY — a simple component to install for workshops and experienced DIYers looking to keep their twin in top shape.
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