ATI PERFORMANCE SUPER DAMPER Harmonic Damper [OUTER DIAMETER 5.67 15% UD | AVG WEIGHT LESS HUB 3.6 LBS | SHELL MATERIAL ALUM | RIBS 6] (2009-2010 CHRYSLER 5.7L HEMI) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS