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68panelman · 06-25-2019, 05:24 PM

They were an option, usually for the "heavier" 1/2 ton, aka auxiliary 1/4 elliptical helper leaf. Basically for a higher load rating tire.

06-25-2019, 05:24 PM	#12
68panelman Registered User Join Date: Jan 2011 Location: Delaware and Long Island, New York Posts: 3,464	Re: 67 c10 special paint rescue They were an option, usually for the "heavier" 1/2 ton, aka auxiliary 1/4 elliptical helper leaf. Basically for a higher load rating tire.