Feature●Front Brake Master Cylinder Rebuild Kit●Fits 11/16" bore handlebar mounted master cylinder●Big Twin 1996/Later & Sportster 1996/2003 with dual disc brakes●Replaces HD# 45072-96Description Front Brake Master Cylinder Rebuild Kit fits 11/16" bore handlebar mounted master cylinder on all Big Twin 1996/Later & Sportster 1996/2003 with dual disc brakes Replaces HD# 45072-96