Home/2011 Mustang Gears and Differential Parts WMS Gear Package for 8.8 Diff, 4.10 Gears, 2010-14 Mustang GT and 2011/12 GT500 $419.95 WMS Gear Package for 8.8 Diff, 3.73 Gears, 2010-14 Mustang GT and 2011/12 GT500 $419.95 WMS Gear Package for 8.8 Diff, 3.55 Gears, 2010-14 Mustang GT and 2011/12 GT500 $389.95 Ratech Solid pinion spacer with shims, Ford 8.8, 9in $22.28 Ratech Differential Rebuild kit, 07-12 GT500, 10-14 Mustang 8.8 $192.94 Ratech pinion setting tool, Ford 8.8 Diff $44.97 Proform Diff girdle black, 1987-04 Mustang, 2005-14 Mustang 8.8 $250.35 Moser 31 Spline, 5 Lugs Axles, 2005-14 Mustang w/ABS $732.31 Moser Wheel Studs, Stock Ford, .615 knurl 1 3/4 long (10 Pack) $42.99 Mobil 1 Synthetic Gear Oil 75w90, .95L $20.89 Ford Performance Gears for 8.8, 4.10 ratio ring and pinion $349.95 Ford Performance Gears for 8.8, 3.73 ratio ring and pinion $349.95 Ford Performance Gears for 8.8, 3.55 ratio ring and pinion $325.46 Ford Performance Diff girdle, 1987-04 Mustang, 2005-14 Mustang 8.8 $377.16 Ford Performance Axle Bearing and seal kit, 2005-14 Mustang $78.53 Detroit Tru Trac Diff 8.8 - 31 spline $992.64 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.