Forged pistons convert any 883cc or 1100cc engine to 1200cc. Bore the stock cylinders from 3 inch to 3-1/2 bore, or purchase new 3-1/2 inch bore cylinders. No combustion chamber modifications or rebalancing is required. For 1986-up 883cc and 1100cc Harley-Davidson® Sportster® models. Standard size, 9.4:1 compression.
- Increase displacement to 1200cc quickly and easily
- No rebalancing required – no splitting cases
- 9.5:1 compression with no combustion chamber modifications
- Coated piston skirts for reduced friction during break-in
- Includes pistons, rings, wristpins, and clips
Standard. . . . 106-5548
+.010. . . .106-5549
+.020. . . .106-5550
