ARRMA Steel Diff Outdrive (2): EXB Cutters but a traditional Y harness

but a traditional Y harness doesn't work when the other branch of the Y is connected to an RX

Overall the Blackbird tires give you the traction you need in the majority of track conditions

Perfect fit for most 1/8 47-49mm motors

it's small enough to take along anywhere

the bottle/spout seal assembly

ARRMA Steel Diff Outdrive (2): EXB Cutters but a traditional Y harnessThese Steel Diff Outdrives are the perfect replacement part for your ARRMA vehicle Features Manufactured from tough steel for long lasting durability Precision machined for accurate fit to ensure a smooth and leak free diff action Supplied as a pair To be used with 29mm diff cases Includes 2 x Steel Diff Outdrive Requires To be used with 29mm diff case (#ARA310983 or #ARA311061)