Titanium coat protects piston rod from dust and debris for consistent, smooth movement. Compatible Chassis Includes: TRF502X, TRF503, TRF201, TRF201XMW, TRF211XM, TT-02B*1, TA06*2, TA06 PRO*2, TA06 MS*2, DB01*1, DB02*1, DF-02*1 & DN-01*1 Chassis 1 - Use with Item 54028 Buggy Aeration Oil Filled Damper Set 2 - Can only be used with IFS setups.