Rear Wing Spoiler Deck Fin for Arrma BIG ROCK 4X4 V3 3S BLX Truck ASC20516 Further differences between the two

Further differences between the two kits are highlighted in the instruction manual above

and a gear differential

4x M3x16mm Flat Head Screws

Brings a whole new level of steering geometry

3D Printed from an impact-resistant Nylon blend

Rear Wing Spoiler Deck Fin for Arrma BIG ROCK 4X4 V3 3S BLX Truck ASC20516 Further differences between the twoAJCMods 3D Printed Rear Wing for the Arrma Big Rock 3s Made from a high strength composite plastic that can take a beating! This wing installs on the rear section of the truck bed using the provided (6) M3 screws. You will need to ream 6 small perimeter holes along the truck bed, but once installed this will make the bed edge stronger and less prone to cracking!