Namura Technologies NX-40080 Piston Kit - Standard Bore 46.95mm, 8.2:1 Compression electrical-gauges-components-oil-pressure-gauges DHA pin treatmenthard chromium-carbide layer

DHA pin treatmenthard chromium-carbide layer formed on pin surface

Ultra durable

Replaceable high-flow mouth vent

Semi-rigid internal core construction with zipperless design

1999-2013 Harley Davidson FLSTF Fat Boy

Namura Technologies NX-40080 Piston Kit - Standard Bore 46.95mm, 8.2:1 Compression electrical-gauges-components-oil-pressure-gauges DHA pin treatmenthard chromium-carbide layerBore: 46. 95mm Compression: 8. 2: 1 Compression Sizing: Standard Bore MOS2 (Teflon Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature