ATI Serpentine Super Damper Harmonic Balancer - 6.780" OD - SFI 18.1 - AC Pulley - Aluminum/Steel - Black - Internal Balance - Small Block Chevy 011280 0 mS Max Continuous Dwell:

0 mS Max Continuous Dwell: 9 mS but don't exceed 40% duty cycle Max Intermittent Dwell: 80% duty cycle

They employ advanced technology and high-quality materials to enhance performance

and durability

Three vertical supports have 2" of adjustment

Fit Non Computerized Vehicles

ATI Serpentine Super Damper Harmonic Balancer - 6.780" OD - SFI 18.1 - AC Pulley - Aluminum/Steel - Black - Internal Balance - Small Block Chevy 011280 0 mS Max Continuous Dwell:Product 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