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ATI Serpentine SFI 18.1 Super Damper 6.780 in OD Black Internal Balance GM LS Series YA0828KARTMM08 77:1 turns ratio and lower DOM750 BK 77:1 turns ratio and lower primary resistance produce high voltage output A special clear base plate is also installed for easy tech inspection The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines ATI Performance Products is the creation of over 40 years of Transmission and performance component manufacturing and racing experience
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