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The ATI crankshaft damper is a 6.78-inch aluminum balancer with a six-groove layout and a 10 percent underdrive option, intended for LS1/LS2 front- and valve-body applications and featuring a 25-tooth 8mm HTD drive on the rear. Its sizing and HTD drive detail supply the pulley and drive interface required for compatible LS installations.
ATI Damper - 6.78in - Alum - 6 Grv - 10 Percent UD - LS1/LS2 - F/V Body - 25T 8mm HTD Drive On Rear
