About this item HD SWITCH: Engineered Performance HIGH SPEED C3 UPGRADE: Bearings Allow For Thermal Expansion To Reduce Friction & Wear ULTIMATE PROTECTION: Synthetic Hi-Temp Grease Formula with Wear-Resistant Additives. 400F KIT INCLUDES: (2) Premium Bearings (SPINDLE NOT INCLUDED) LIGHTNING-FAST HANDLING: ALL Orders Before 2pm EST HANDLE SAME DAY