Re: custom driveshaft ?
You shouldn't have to put a new crush sleeve in, Torque the Pinion nut to spec and you will be fine, its no different than if you were to change the pinion seal.
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2012 f150 FX4 SCREW the DD
2004 Black mach 1 previously 3.4l whipple on 30#'s
Turbo build now in progress
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