This is an Arrma GP6 45T Front Rear Diff Set is a pre-assembled replacement unit for servicing your BLX Felony vehicle. Gear Profile 6. This part is intended for use with the ARA311018 Main Input Gear 14T GP6.
 
Features:
Factory assembled and filled with 10k cSt silicone oil for fast and efficient servicing
Tough steel internal gears for long-lasting durability in all conditions
Strong composite diff case
45T GP6 straight cut steel main gear for increased durability under extreme loads
Metal cross-shafts and inserts for increased efficiency of fit and long-lasting durability
Includes rubber-shielded bearings for fast and efficient fit to your vehicle
Includes:
(1)  Factory Assembled Front or Rear Diff, 45T GP6 (gear profile) Steel Straight Cut Main Gear and 10k cSt Silicone Oil