ATI Performance Serpentine Super Damper [STEEL SHELL W/ STEEL HUB | 7.5 OD | 9.75 POUNDS | 8 RIB] (1993-2003 F0250 & F-350 7.3L PowerStroke) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS