MST Aluminum Damper Spring Retainer (Black) (4) (Lower Type) Kyosho and if the tip is

and if the tip is damaged you can easily replace it

Package includes one 4

Seven-millimeter hex size for easy tightening and swapping

5mm Carbon Fiber Upper Deck Set is the optional carbon upgrade for the MST RMX 2

(1) Drift-X Controller

MST Aluminum Damper Spring Retainer (Black) (4) (Lower Type) Kyosho and if the tip isMST Aluminum Damper Spring Retainers are an option compatible all MST drift cars. These "lower type" spring cups feature a 1mm lower spring retainer and are recommended for use with longer springs (31 32mm). They are available in a variety of colors allowing you to personalize your ride, and each package includes four spring cups. NOTE: Use MXS 820050 for standard length springs. Use with springs that have an inner diameter between 13. 8 14. 2mm.