Performance Machine Contour master cylinder for 2000-2007 Harley-Davidson, a direct O.E.M. replacement with 11/16" bore diameter engineered to work with stock or Performance Machine brake calipers. Made in the USA. Features Direct O.E.M. replacement 11/16" bore diameter Works with stock or Performance Machine calipers Made in USA Specifications Brand: Performance Machine Manufacturer Part #: 0065-2903-CH Bore Diameter: 11/16" Weight: 1 lb Country of Origin: USA Category: Controls / Handlebars WARNING: Contains chemicals known to the State of California to cause cancer and reproductive harm. See www.P65Warnings.ca.gov Fitment Fits 2000-2007 Harley-Davidson models. Frequently Asked Questions Is this a direct replacement for my stock master cylinder? Yes — this Performance Machine Contour unit is a direct O.E.M. replacement that bolts in place of the factory cylinder. Will this work with my stock brake calipers? Yes. It works with both stock Harley calipers and Performance Machine brake calipers. Does this fit 2008 and newer Harleys? No — this part is specific to 2000-2007 model years. 2008 and newer bikes use different master cylinder designs. California Proposition 65 Warning Performance Machine's Contour Master cylinder matches their Contour hand controls. Proven performance to work with stock or Performance Machine brake calipers.Features Direct replacement for O.E.M. unit Bore Diameter: 11/16" Made in USA Specifications Brand: Performance Machine Manufacturer Part #: 0065-2903-CH Category: Controls / Handlebars Weight: 1 lb Fitment: 2000-2007 Harley-Davidson WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov