ATI Performance Serpentine Super Damper [ALUMINUM SHELL W/ STEEL HUB | 6.78 OD | 4.5 POUNDS | SERPENTINE DRY SUMP 60% UD PULLEY NO AC PULLEY] (1998-2002 Camaro & Firebird LS1 & 2004-2006 GTO) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS