The whole rc car has 3 drive shafts,the gearbox connected to transfer-case is the short drive shaft, and the transfer-case connect to front & rear axles are the long drive shafts.
Modification Instructions: Remove the original nylon drive shaft from your car,then install these metal drive shaft.

Compatible with MN Model MN86K MN86KS MN86 MN86S MN G500 1/12 RC Car.
Made of high quality metal material,solid and durable.
Lightweight upgrade instantly enhances overall performance in handling and durability.
Upgrade parts,easy and convenient to install and remove.

Item Name:CVD Universal Drive Shaft
Material:Metal

Size info:
The Long One:
Length Range: 80-105mm;
Diameter: 12mm;
Inside Diameter: 5mm.

The Short One:
Length:54mm;
Diameter: 11mm
Inside Diameter: 5mm.
Colour: Silver

Package List:
3 x Metal Drive Shaft