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The ATI crankshaft damper for Chevy small-block and 90-degree V6 engines is a 6.325in steel, three-ring harmonic balancer furnished with an undersize hub option. It controls crankshaft vibrations while allowing fitment where an undersized hub is needed to match nonstandard snout diameters or custom front-end arrangements, giving builders a tailored solution without altering pulley alignment.
ATI Damper - 6.325in - Steel - Chevy SB / 90 Deg V6 - w/Undersize Hub - 3 Ring - 1Pc
