DRAG SPECIALTIES Replacement Piston — 3.197 in diameter, 3-13/16 in stroke, 9.0:1 compression – 72-85 Sportster

🔧 OEM quality cast aluminum alloy construction delivers reliable, economical performance and fitment for many applications.

• Some fitments feature a coating that extends piston life, reduces friction and allows cooler running engines.
• Ideal for OEM replacement with great performance.
• Kits include two pistons, wrist pins and clips.
• Accept OEM or Hastings rings (order separately).