QU40802 Screw-On Driveshaft Slip Yoke Seal for 1-1/2" Slip Yokes spicer-factory-lockout-hubs-76-79-ford-d44f you can use the +/

you can use the +/ - numbers etched on the new and old pinion heads to modify the starting shim pack thickness

QU10912 Special Metric Flange Head Bolt (for attaching QU10557 Mount to Support Plate)

A reverse spiral gear set is used on axles that have the pinion mounted above the center line of the differential

Install QU40618 press-on seal on the slip yoke BEFORE trying to install the Slip Yoke on the splined slip stub

Since the unit is sensing differential speed and not the speed of either rear wheel

QU40802 Screw-On Driveshaft Slip Yoke Seal for 1-1/2" Slip Yokes spicer-factory-lockout-hubs-76-79-ford-d44f you can use the +/QU40802 1 Piece Screw On Slip Yoke Seal for 1 1 2" 14, 15, and 16 Spline Driveshaft Slip Yokes. QU40802 Seal replaces both 3 Piece and 1 Piece Slip Yoke Seals used on Spicer and other popular driveshafts with 1 1 2", partially splined slip stubs. QU40802 is included with QU40875 Slip Yoke. Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your