Thrust Bearing kit for Allison 1000 2000 2400 series automatic transmissions Kit includes 

ONE (1) x 29531090 T2, Located in C2 drive hub, Enclosed Bearing Style: Enclosed Material: Hardened Steel Outer Dia.: 2.594" Thickness: 0.141"Inner Dia.: 1.917" 

TWO (2) x 29531089 Early style, T1/T6, Enclosed Located in C1 drive hub & planet module P3 sun gear Bearing Style 1.712": Enclosed Material: Hardened Steel Outer Dia.: 1.712" Thickness: 0.198"Inner Dia.: 1.128" 

ONE (1) x 29531106 T4, Located in P1 planet module, Enclosed Bearing Style: Enclosed Material: Hardened Steel Outer Dia.: 3.380" Thickness: 0.149"Inner Dia.: 2.494"

TWO (2) x 29531095 Early style, T3/T5, located in rotating clutch assembly & P2 planet module, 2.83" OD Enclosed Bearing Style: Enclosed Material: Hardened Steel Outer Dia.: 2.832" Thickness: 0.132"Inner Dia.: 2.056"

TWO (2) x 29539501, Late style T1 & T6, 1.26" ID x 2.11" OD