ATI BBC 7.074 Harmonic Balancer SFI Int Balance H75915FS Nuts have built-in serrations which

Nuts have built-in serrations which prevent loosening

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ATI BBC 7.074 Harmonic Balancer SFI Int Balance H75915FS Nuts have built-in serrations whichProduct Description: Harmonic Balancer Super Damper 7. 074 in OD SFI 18. 1 Aluminum Black Oxide Internal Balance Big Block Chevy 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.