PRW 2510900 FluidGel Black 138mm Serpentine Standard Drive Pulley Damper for BMW Mini Cooper, 2001-2006 Gen 1, Tritec 1.6L Exceeds SFI 18.1 specifications Easy to read laser engraved timing marks Accurate crank bore for a proper pressed fit Manufactured from high grade billet carbon steel forgings Available in black epoxy or polished steel with an epoxy clear coat