ATI PERFORMANCE
LS1 6.78 Harmonic Damper - SFI
SKU: ATI917278
$571.99
Harmonic Balancer - Serpentine Super Damper - 6.780 in OD - SFI 18.1 - AC Pulley - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each Notes: Y-Body 6-groove w/A/C pulley, 10% underdrive.

Comments & builder notes
Share fitment tips, install notes, or questions. Customers, the shop, and Grok can all chime in. New comments notify the Cunningham Customs team for review.