MIP is proud to introduce the ultimate differential solution, over 30 years in the making: The MIP Super Ball Differential for your Re-Released 2016 Blackfoot and 2015 Monster Beetle. MIP is no stranger to solving problems. This kit will not compromise the integrity or appearance of your vehicle. It is a direct bolt-on kit, with no modifications needed for both 2015 Monster Beetle and 2016 Blackfoot. It was designed to work with Tamiya's brand-new universal pin drive axle, giving you the option of installing brushless motors without fear of destroying the stock gear differential or extremely expensive vintage ball differential. The ability to add different grease viscosity for tuning and no fear of slipping will bring the Blackfoot into the 21st Century without losing that old-school 1980's feel.Features: Ball Differential for better handling Machined Nylon Gear for toughness 10x15x4mm Flanged bearings for superior alignment and efficiency 14 Ch. steel ball bearings Hardened and Polished drive rings MIP Machined Aluminum T-Nut, Rebuildable Hardened Alloy drive cups to protect against pin wear 100% Made in the USA Includes:2x MIP Confetti Stickers1x MIP Inst. Sheet, Tamiya Ball Diff1x Diff Lube & Grease cup14x 3/32 Chrome Steel Ball Bearings6x 5/64 Chrome Steel Ball2x 10 x 15 x 4mm Flanged Bearing2x #2 Hardened Washer2x Diff Rings1x 1/4 x 9/32 Diff Spring1x 2-56 x .925 Shoulder Diff Screw 2x 5 x 8 x 2.5mm Bearing1x .250 Bore MIP T-Nut Housing1x .250 Bore MIP T-Nut Insert1x MIP Diff Gear, 48T 32P, Tamiya Frog1x MIP Male Outdrive, Tamiya Frog1x MIP Female Outdrive, Tamiya Frog Note:Requires a Phillips screwdriver and 2.00mm Allen Key.