ATI PERFORMANCE SUPER DAMPER Harmonic Damper [ALUMINUM SHELL | 7.074 OD | 2 RING | TOTAL WEIGHT 3.75 LBS | INERTIA WEIGHT 2.2 LBS | CRANK HUB STEEL | 6 GROOVE] (2019 BMW Z4 & 2020 Toyota Supra) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS