User Manual
:: Differential Build (Front and Rear) - Bag 1.1, 1.2 - Step 2
:: Differential Build (Front and Rear) - Bag 1.1, 1.2 - Step 3
5
:: Differential Build (Front and Rear) - Bag 1.1, 1.2 - Step 1
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#6588
black grease
#6588
black grease
#6588
black grease
#6588
black grease
Align pin with 
groove in sun gear
Align pin with 
groove in sun gear
!
!
81380 
Pin
2.5x12mm
81380 
Pin
2.5x12mm
81380 
Diff Sun 
Gear, 20T
81380 
Diff Sun 
Gear, 20T
81012
17mm 
Outdrive,
Front Diff
81012
17mm 
Outdrive,
Front Diff
81008
15mm 
Outdrive,
Rear Diff
81008
15mm 
Outdrive,
Rear Diff
81380
Diff 
Planet 
Gear
81380
Diff 
Crosspin
81381
Diff Shim
3.5x11x0.12mm
81381
Diff Shim
6x8x0.20mm
81381
Diff Shim
6x8x0.20mm
91564
8x16x5
Bearing
91564
8x16x5
Bearing
81379
Diff 
Case
81002
Diff Ring 
Gear, 44T
81385
Outdrive 
O-Ring
5.8x1.9mm
81385
Outdrive 
O-Ring
5.8x1.9mm
x4
x4
x2
Racer’s Tip: 
You can use #81385 Planet O-Ring 
between the Planet Gears and the 
Diff Shims as a tuning option.
Do Not install 3.3x1.5mm Planet 
O-Ring for kit setup.










