Shell Assy. 6.780 Dia. 6 Grooves 3/8-Holes - 917071 - ATI Performance

Harmonic Balancer - Serpentine Super Damper - 6.780 in OD - SFI 18.1 - Aluminum / Steel - Black - Internal Balance - GM LS-Series - GM F-Body 1998-2002 - Each