GM 14-Bolt Steel Spool - 10.5" Axle, 4.10 & Down, 40 Spline 2016-ford-f-350-super-duty-esi7045137 56 or numerically higher gear

56 or numerically higher gear ratios

(All shown fitments specify Front – with Dana 60 axle or Dana 60 Reverse Rotation where noted

75 (for modern 35spline ARB two piece locker)

The Yukon 1541H Alloy Rear Axle Shaft is designed as a heavy-duty replacement for Jeep JK non-Rubicon Dana 44 rear axles

GM 14-Bolt Steel Spool - 10.5" Axle, 4.10 & Down, 40 Spline 2016-ford-f-350-super-duty-esi7045137 56 or numerically higher gearThis Yukon GM 14 Bolt 40 Spline Spool is built from high quality steel to deliver maximum strength and durability in extreme off road and competition use. This GM 14 Bolt Steel Spool replaces the factory differential, locking both rear wheels together for full time traction. Ideal for trail rigs, mud trucks, and rock bouncers running 10. 5" 14 Bolt axles. Includes: (1) Yukon 14 Bolt 40 Spline Steel Spool Specifications Specification Detail Brand Yukon