Wiseco 1200cc Reverse Dome Piston Kit for 1986-2003 Harley-Davidson XLH883 K0212PS

If you're rebuilding an 883 Sportster with serious intentions—whether that's more displacement, aggressive valve timing, or forced induction—you need pistons engineered to handle it. The Wiseco K0212PS reverse dome design provides the valve clearance and structural integrity that separates a reliable build from one that grenades at the dyno. This is a complete, U.S.-made kit that handles the demands of a modified Harley without compromise.

The reverse dome crown geometry creates generous valve pockets, allowing you to run large valves and aggressive cam profiles without interference. Precision ring design seals tighter and reduces blow-by, translating to cleaner combustion and more power at the crank. The force-fed pin oiling system keeps the wrist pin cooler under sustained load, while the pressure seal groove design minimizes ring flutter and maintains ring tension where it counts. ArmorGlide® skirt coating cuts friction and improves scuff resistance—critical when you're pushing cylinder pressures on a modified motor.

• Forged piston crown
• Reverse dome design
• Large valve pockets
• Precision ring set
• Force-fed pin oiling
• Pressure seal groove
• ArmorGlide® skirt coating
• Includes two pistons
• Complete with pins, rings, circlips
• U.S.A. manufactured
• 1986-2003 XLH883 fitment