ATI PERFORMANCE SUPER DAMPER Harmonic Damper [OUTER DIAMETER 6.78 5% UD | AVG WEIGHT LESS HUB 4.5 LBS | SHELL MATERIAL ALUM | RIBS 8] (2003-2008 CHRYSLER 5.7L HEMI) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS