![ATI 918628: 918628 Super Damper Serpentine Series Harmonic Balancer for 1999-2019 GM Gen III/IV LS Engines w/AC [7.480 in. O.D.]](/web/image/product.product/85266/image_1024/%5BATI-918628%5D%20ATI%20918628:%20918628%20Super%20Damper%20Serpentine%20Series%20Harmonic%20Balancer%20for%201999-2019%20GM%20Gen%20III-IV%20LS%20Engines%20w-AC%20%5B7.480%20in.%20O.D.%5D?unique=0860e03)
![ATI 918628: 918628 Super Damper Serpentine Series Harmonic Balancer for 1999-2019 GM Gen III/IV LS Engines w/AC [7.480 in. O.D.]](/web/image/product.product/85266/image_128/%5BATI-918628%5D%20ATI%20918628:%20918628%20Super%20Damper%20Serpentine%20Series%20Harmonic%20Balancer%20for%201999-2019%20GM%20Gen%20III-IV%20LS%20Engines%20w-AC%20%5B7.480%20in.%20O.D.%5D?unique=0860e03)
ATI 918628: 918628 Super Damper Serpentine Series Harmonic Balancer for 1999-2019 GM Gen III/IV LS Engines w/AC [7.480 in. O.D.]
GM
Super Damper Select 1999-2019 GM Gen III/IV LS Engines 7.480 in. Outside Diameter 6-Rib Pulley w/4-Rib AC Pulley Steel Crankshaft Hub Aluminum Outer Shell Keyway Slot Internal Balance Weight: 6.750 lbs. Elastomer SFI 18.1