• Larger 2-1/16″ bore allows more air to flow for more peak horsepower
• Recommended for larger displacement engines over 100 cu. in.
• Accepts stock late model throttle cables on all Big Twin models
• Kits include everything needed for installation on your Ironhead Sportster with O-ring heads including the manifold and air cleaner
• For models with longer strokes a custom intake manifold may be required
• Will not work on Sportsters with magneto ignition
This product was proudly made in the USA