ATI Super Damper Harmonic Balancer - 7.425" OD - SFI 18.1 - Steel - Black - External Balance - GM Duramax 2011-20 YA0803ABP pre-loader requires 3" I

pre-loader requires 3" I

Ultra-flat anti-rub seams

Re-webbing available

6 AN Male to 1/4 in NPT Male Swivel

Features an Pyrovatex ® FRC Cover with Hook and Loop Closure

ATI Super Damper Harmonic Balancer - 7.425" OD - SFI 18.1 - Steel - Black - External Balance - GM Duramax 2011-20 YA0803ABP pre-loader requires 3" IProduct 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.