These 11.1:1 High-Compression Pistons are forged from light- weight aluminum for maximum strength.
- 3-7/8″ Bore, +.010 o/s, SST Rings
- The piston top dome is designed to match specifically with the combustion chamber to provide additional performance over other piston designs
- Pistons are electroless-nickel coated for increased durability, and the piston skirts feature a unique black coat- ing for improved wear-resistance, better fit and reduced noise
- Complete kit includes pistons, rings, wrist pins and clips
Twin Cam ab ’99 mit 3-7/8″ cylinders and Screamin Eagle MVA, 110+ or ACR Performance Cylinder Heads. ’99-’06 models also require appropriate Screamin Eagle 4-3/8″ Stroker Flywheel and Rod Assembly. Does not fit Twin-Cooled models. All EFI models require ECM calibration* (priced separately). For race application only.










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