WISECO Tracker Series™ Piston Kit — 1200 cc, 3.498" bore, 3.812" stroke, 9.5:1 – 86-19 Sportster

The Tracker Series™ Piston Kit combines race-proven strength with street-ready refinement. 🔧

• Forged piston crown with generous valve pockets for large valves and aggressive cams
• Precision-fit rings selected for each application to deliver exceptional sealing
• Force-fed pin oiling for improved piston-pin lubrication
• Pressure-seal groove to reduce ring lifting and minimize power loss
• ArmorGlide® skirt coating reduces friction, quiets operation, and improves scuff resistance
• Value-packed kit includes two pistons, X-ring packages, piston pins and circlips; pistons made in the USA
• Requires aftermarket EFI tuner on fuel-injected models; '08–'22 models require specific Sportster cylinders and recalibration