8.5" GM 28 Spline Mini Spool

8.5" GM 30 Spline Mini Spool

GM 8.5"

GM 8.6"

GM 8.5" 28 Spline Full Spool

GM 8.5" 30 Spline Full Spool (Uses Large Bearings)

8.5" GM 2.73 & Up Eaton Posi Case, Bare

GM 8.6"

Nitro Lunch Box Locker, GM 8.5" 10 Bolt, 28 Spl

Nitro Lunch Box Locker, GM 8.5" 10 Bolt, 30 Spl

8.5" GM 28 Spline LSD, 2.73 & Up, W/Eaton Carbon Fiber Clutch, Uses LM102949/11

8.5" GM 2.73 & Up 28 Spline Posi

8.5" GM 2.73 & Up 30 Spline Posi

Large Journal

8.5"Uses LM102949 & LM102911 Bearing & Race

8.5" & 8.6" GM Rear 30 Spline Truetrac  (Large Journal)

8.5" GM Rear Truetrac Posi 28 Spline (Uses LM 102949 & LM102911)

8.5" & 8.6" GM Rear 30 Spline, Helical Gear Limited Slip Differential

8.5" GM Front Truetrac Posi 28 Spline (Uses LM 102949 & LM102911)

GM 8.5" & 8.6" Eaton Posi Complete  30 Spline (8.5" Needs Bearings, Large Hub)

GM 8.5" Eaton Posi Complete  28 Spline (8.5" Needs Bearings, Large Hub)

8.5" GM 28 Spline Detroit Locker 2.73 & Up (Uses HD Bearings)

8.5" & 8.6" GM 30 Spline, 2.73-5.57, Detroit Locker, Large 1.785" Journal Diam

Limited-Slip-to-Locked, Select-able Locking Differential. Large Journal

Limited-Slip-to-Locked, Select-able Locking Differential. Large Journal

30 Spline, 2.73 & Up (Uses LM102949/102911)

ARB 10.5" 40 Spline 14 Bolt

2.73 - 5.38 Ratios, 30 Spline, Inlcudes Carrier Bearings for 8.5" 10 Bolt. 8.6" can either reuse original bearings or purchase new ones

ARB 8.5" 28 Spline 10 Bolt