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Kerry · 02-14-2023, 06:41 PM

Yea i meant to say that the 2 common sizes are 7.65 with the stock crank shaft pulley, and the ati balancer that replaces the crank pulley will be an 8.25. A lot of times the upper pulley will have it stamped on the front

02-14-2023, 06:41 PM	#20
Kerry Drives: 2019 2SS Camaro Join Date: Apr 2012 Location: Al Posts: 834	Yea i meant to say that the 2 common sizes are 7.65 with the stock crank shaft pulley, and the ati balancer that replaces the crank pulley will be an 8.25. A lot of times the upper pulley will have it stamped on the front