DRAG SPECIALTIES Replacement Piston — 3.217" bore, +0.030" oversize, 3-13/16" stroke, pair – 72-85 Sportster

Replacement pistons engineered to OEM specifications for reliable fit and performance. 🛠️

Cast aluminum alloy construction delivers durable strength while keeping weight low.

Some fitments feature a low-friction coating that extends piston life, reduces friction and helps engines run cooler.

Ideal for OEM replacement and economical projects; kits include two pistons, wrist pins and clips. Rings sold separately.

Accepts OEM or Hastings rings and is designed for straightforward installation on supported models.