Oversized +

12mm chrome plated allen bolt fits front master cylinder on 2004-up Sportster

Fitment: 1-1/2

From forged brass construction

It will work on all Pro-One triple trees and many other aftermarket trees (installation on other trees may require some drilling)

Main Jet 190 for Concentric or Monobloc Carbs Brand_Pro One Performance Products Oversized +These replacement main jets for your Amal carburetor come right from the factory, don't be fooled by substandard knockoffs that are out on the market! Use these to tune in your carb by either increasing or decreasing your main jet size, which affects the flow of gas into your carb once you start using the throttle. Refer to your manual for further jetting and tuning information. Sold Individually.