ATI Serpentine Super Damper Harmonic Balancer - 7.530" OD - SFI 18.1 - Aluminum - Black - Internal Balance - GM LS-Series 2020007 GM Powerglide

GM Powerglide

Integrated speaker and boom mic pockets

Quick Connect Easy-To-Use Polymer Air Fittings

270 degree arm and back gussets

peak boost

ATI Serpentine Super Damper Harmonic Balancer - 7.530" OD - SFI 18.1 - Aluminum - Black - Internal Balance - GM LS-Series 2020007 GM PowerglideProduct Description: Harmonic Balancer Serpentine Super Damper 7. 480 in OD SFI 18. 1 Aluminum Black Paint Internal Balance GM LS Series Sold Individually ATI Performance Products is a company founded on innovation, precision and service. ATI harmonic Super Dampers add horsepower and torque to race, street and truck engines. ATI Performance Products is the creation of over 40 years of Transmission and performance component manufacturing and racing