ATI Super Damper Harmonic Balancer - 7.425" OD - SFI 18.1 - Steel - Black - External Balance - GM Duramax 2011-20 R07C092XL 2" webbing for the cuffs

2" webbing for the cuffs and 1" webbing for the tethers

major improvement in release mechanism

1/4 in NPT Female Return

2014-2015 Q40 AWD & 2014-2015 Q60

ATI Super Damper Harmonic Balancer - 7.425" OD - SFI 18.1 - Steel - Black - External Balance - GM Duramax 2011-20 R07C092XL 2" webbing for the cuffsProduct Description: Harmonic Balancer Super Damper 7. 425 in OD SFI 18. 1 Steel Black Oxide External Balance GM Duramax 2011 20 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.