fits X-MAXX DIFFERENTIAL (Front/Rear Factory Built 8s Updated! Steel 77086-4 Traxxas Part numbers in the listing

Part numbers in the listing are for reference

The EZ start Drive Unit attaches to the back of the 3

AX31082 Transmission Output

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fits X-MAXX DIFFERENTIAL (Front/Rear Factory Built 8s Updated! Steel 77086-4 Traxxas Part numbers in the listingPRODUCT DESCRIPTION Updated 8s Assembled diff (oil filled) (fits front or rear) includes; Ring gear, differential (TRA7779) Carrier, differential x ring gaskets (2) ring gear gasket 6x10x0. 5 thrust washers (TRA7781) Gear set, differential (output gears (2) spider gears (4) 16x23. 5x. 5mm thrust washers (2)) (TRA7782) Spider gear shaft (2) spacers (4) 16x23. 5x. 5mm thrust washers (2) (TRA7783) Ball bearing, black rubber sealed (17x26x5mm) (2)