2017 Ford F350 SRW Lariat - Rear End Differential - This is the Label on the Dirver's Side Door Jam. 2017 Ford F350 SRW Lariat - Rear End Differential - This is the Label on the Driver's Side Door Jam for the suggested Tire for this Truck and the Stock Rear-End. 2017 Ford F350 SRW Lariat - Rear End Differential - This is a picture of the rear Differential Cover, Which has 14 Bolts in it. 2017 Ford F350 SRW Lariat - Rear End Differential - This is a Picture of the Numbers Stamped in on the rear-End Differential Cover. 2017 Ford F350 SRW Lariat - Rear End Differential - This is a Picture of the Rear-End Differential Cover Tag. 2017 Ford F350 SRW Lariat - Rear End Differential - This is a Picture of the Sticker on the Rear-End Axle Housing. 2017 Ford F350 SRW Lariat - Rear End Differential - This is a of the Stock Rear Axle Leveling Block... which looks like it is 4".   This give the Truck a 3.5" Rack with stock front axle leveling blocks. 2017 Ford F350 SRW Lariat - Rear End Differential - This is another picture of the Stock 4" leveling block on the Rear-Axle (Driver's Side).  2017 Ford F350 SRW Lariat - Rear End Differential - This is another picture of the 4" Stock Leveling block on the this truck. 2017 Ford F350 SRW Lariat - Rear End Differential - This is another picture of the Stock 4" Leveling Block on this truck.