GPM Carbon Steel &7075 Alloy Centre Complete Diffs For Mini Maxx / Mini XRT Part location Centre differential Major advantages of upgrading to this part/product (1) Made of 4140 Carbon Steel + 7075 Alloy, the Centre differentials are fully assembled and can be installed directly on your MINI MAXX to quickly complete the performance upgrade. (2) Free GPM Spiral Differential Pinion, If you have purchased the GPM front and rear differential kit, the center differential can be installed directly, which is the best configuration launched by GPM. (3) If you upgrade only the center differential, and keep your original rear differential (#10780) setup, just replace the differential pinion (#10762) for perfect compatibility with the original rear differential. Note: No differential oil, you need to add differential oil by yourself. Package included Centre Complete Differential-1SET Suitable Model Mini Maxx Monster Truck107154-1 MINI XRT108076-1