Home/Custom Differential 8.8 Parts Ford Performance Diff girdle, 1987-04 Mustang, 2005-14 Mustang 8.8 $340.67 WMS Gear Package for 8.8 Diff, Ford Racing 3.55 Gears, 1986-2009 Mustang $389.99 WMS Gear Package for 8.8 Diff, Ford Racing 3.73 Gears, 1986-2009 Mustang $349.99 WMS Gear Package for 8.8 Diff, Ford Racing 4.10 Gears, 1986-2009 Mustang $329.99 Ford Performance Upper Arm Axle Bushing Kit $60.49 Detroit Tru Trac diff, 8.8" 31 spline $857.75 BCA Pinion Bearing 8.8" Diff $28.97 Detriot Tru Trac Diff, 8.8 28 spline $807.68 Ford Performance 8.8 Posi Rebuild kit $125.67 Ford Performance Carbon Fibre Clutch Packs, 8.8 Mustang $206.49 Ford Performance 8.8 diff bearing kit - center bearings, seals and bolts $210.35 Ford Performance Gears for 8.8, 3.55 ratio ring and pinion $299.98 Ford Performance Gears for 8.8, 3.73 ratio ring and pinion $289.00 Ford Performance Gears for 8.8, 4.10 ratio ring and pinion $269.98 Ford Performance 8.8 Axle Bearing and Seal kit. 86-04 Non IRS 8.8 $58.40 21 Tooth Red Speedo Gear, 1983-98 Mustang T-5 $13.37 1 2