ATI SFI 7.48 Harmonic Damper - 6-Groove - LS3 57 The Aero 33 Series Beadlock

The Aero 33 Series Beadlock Wheel is a very low run-out beadlock that has a unique 7-hole D-window center disc made out of HSLA material

Kits include a variety of shim designs and sizes for convenient tuning and set-up

Commonly used to support lower quarter panel or nose sides

Chevy kits include undercut short studs to effectively eliminate head gasket failure

ATI SFI 7.48 Harmonic Damper - 6-Groove - LS3 57 The Aero 33 Series BeadlockProduct Description: Harmonic Balancer Super Damper 7. 480 in OD SFI 18. 1 Steel Black Oxide 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 experience.