Ati 917789, One Black Sbc Harmonic Damper Sfi 6.325 Internal Balance Performance
Harmonic Balancer, Super Damper, 6.325 in OD, SFI 18.1, Steel, Black Oxide, Internal Balance, Small Block Chevy, Each. SFI Approved Yes. Product Line Super Damper. Internal/External Balance Internal. Color Black.