>The 3411 was the designation used for their carbon fiber pads for both >street use and race use....... Might want to check with your supplier there Trish.... the 3411 is the OE designation for the DS11 and it is not a Carbon pad......... It's a abestos free semi metallic compound Later! Eric Fletcher '87 5KCSTQIA2RSR2B St. Louis, MO STEADIRIC@aol.com