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**mr48chev** · 02-14-2011, 10:20 PM

They are for vibration and noise and as far as I know were only a factory item. I don't remember seeing any aftermarket drums with the springs although some had the groove so you could transfer the springs to the new drums.

02-14-2011, 10:20 PM	#7
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,824	Re: 67 drums They are for vibration and noise and as far as I know were only a factory item. I don't remember seeing any aftermarket drums with the springs although some had the groove so you could transfer the springs to the new drums.