PRW PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper [DETAIL Black, 25% Under Drive | WEIGHT 11.40 lbs] (1998-2002 Camaro & Firebird LS1 & 2004-2006 GTO) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS