ATI SFI 7.48 Harmonic Damper - 6-Groove - LS3 RS00400315 includes a thrust bearing set

includes a thrust bearing set and fits most shocks

Uses Latch & Link to Secure Top Bar

1-1/8 in Hex Head

a large main storage compartment

Incredibly long spark duration

ATI SFI 7.48 Harmonic Damper - 6-Groove - LS3 RS00400315 includes a thrust bearing setProduct 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.