ATI PERFORMANCE LS7 Harmonic Balancer SFI Corvette 918620

Harmonic Balancer - Serpentine Super Damper - 7.430 in OD - SFI 18.1 - AC Pulley - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each 8-Groove Pulley w/4 Groove A/C Pulley