ATI SB Ford 6-3/8" Harmonic Damper - SFI 18.1 Certified 13001 of torque on the dyno

of torque on the dyno while out flowing the factory intercooler tube by 67-percent

Petcock Drain

then back across the bottom half

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ATI SB Ford 6-3/8" Harmonic Damper - SFI 18.1 Certified 13001 of torque on the dynoThe patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines. 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. Product Description: Harmonic Balancer