ATI PERFORMANCE LS3 Harmonic Balancer 2010 - Up Camaro 918629

Harmonic Balancer - Serpentine Super Damper - 6.780 in OD - SFI 18.1 - AC Pulley - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each 10% underdriven w/OEM Size A/C Pulley