ATI Serpentine Super Damper Harmonic Balancer - 6.780" OD - SFI 18.1 - AC Pulley - Aluminum/Steel - Black - Internal Balance - Small Block Chevy R09P003S Pull Down Adjust

Pull Down Adjust

75 in OD Top

1988-1995 GMC K3500

Drag window net with border style mounting attaches to the diagonal door bar of most drag cars

ATI Serpentine Super Damper Harmonic Balancer - 6.780" OD - SFI 18.1 - AC Pulley - Aluminum/Steel - Black - Internal Balance - Small Block Chevy R09P003S Pull Down AdjustProduct Description: Harmonic Balancer Serpentine Super Damper 6. 780 in OD SFI 18. 1 AC Pulley Aluminum Steel Black Internal Balance Small 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