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This is the TMX Offroad 44 Axle Cover. This will require TMX Offroad Axle for assembly. This axle assembly will require TM- internal parts found at GCMRacing.ca and TinyTrucks.com websites, and includes bearings, gears, hardware, etc to assemble the axle completely. Link for Axle internal parts here: http://gcmracing.ca/viewitem.php?productid=381 This axle will require the holes to be cleaned out with a 5/64 or 2.0mm drill.
Attachment screws are M2.5x10, 4 screws are required.