ATI BBF Harmonic Damper SFI 7.074 RS004C0408 System includes two of each:

System includes two of each: chrome plated push-in breathers

2g pellet at visor

and Carter AFB carburetors

The low profile design encapsulates the sliding TNT tether and allows for minimal rear interference with the helmet and the device

Compatible with vehicle/system voltages up to 16V

ATI BBF Harmonic Damper SFI 7.074 RS004C0408 System includes two of each:Product Description: Harmonic Balancer Serpentine Super Damper 7. 074 in OD SFI 18. 1 Aluminum Steel Black Internal Balance Big Block Ford 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