ATI PERFORMANCE SUPER DAMPER Harmonic Damper [ALUMINUM SHELL | 5.67 | 3 RING | TOTAL WEIGHT 3.6 LBS | INERTIA WEIGHT 2.2 LBS | CRANKSHAFT HUB STEEL WITH INNER SHELL | 3% UD] (Lancer EVOLUTION X) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS