ATI Harmonic Balancer Shell - 6.325" OD - SFI 18.1 - Aluminum - Black - ATI Super Damper - Internal Balance - Chevy Front 931115 Rotor is scalloped to provide

Rotor is scalloped to provide maximum weight loss without compromising braking performance or rotor durability

360 Degree Arm Design

1/2 in Bolts

Installation Usually Takes Less Than An Hour

ATI Harmonic Balancer Shell - 6.325" OD - SFI 18.1 - Aluminum - Black - ATI Super Damper - Internal Balance - Chevy Front 931115 Rotor is scalloped to provideProduct Description: Harmonic Balancer Shell 6. 325 in OD SFI 18. 1 Aluminum Black Paint ATI Super Damper Internal Balance Chevy Front 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