73' B3 340 Duster pro touring build

HemiDenny said

whats the 1" tube for?....u-joint to the column shaft....3/4 inch shaft thru the firewall with the bearing support mounted to the firewall

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. I saw they made a 1" or 3/4" shaft ...you know me always over killing everything so I was thinking 1" to match what comes out of the flaming river column 1" DD shaft.....