HPI Racing SAVAGE XL FLUX Stainless Steel King Pin Screws For Front C Hub And Rear Knuckles-4pc set - GPM SAVF004S  [SAVF004S]

Support the C hubs and knuckles, enhance the steering angle for the knuckles.
Minimize the gap regarding the C hubs and knuckle hands to obtain better stability and more smooth.

M4 thread - 2.5mm Hex, King pin no thread human anatomy 3.98mm, Total Length 21mm