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russcc · 04-14-2016, 06:31 PM

Be aware, if you get 3/8" washers for V8 60 aluminum heads from Roy Nacewicz, # B-260, they are not hardened as originally stated in their catalog. They are 18.8, (304) stainless steel which is softer than grade 5. They may have changed that item since my experience with it.

04-14-2016, 06:31 PM	#15
russcc Senior Member Join Date: May 2010 Posts: 2,871	Re: Cylinder Head Fastener Options Be aware, if you get 3/8" washers for V8 60 aluminum heads from Roy Nacewicz, # B-260, they are not hardened as originally stated in their catalog. They are 18.8, (304) stainless steel which is softer than grade 5. They may have changed that item since my experience with it.