Tamiya OP-1043 TRF501X Hard Titanium Coated Piston Rod (Rear, 2 pcs) 54043 [Parts useful for improving RC car performance and setup] Titanium coating strengthens the film to prevent scratches on the piston rod from sand and dust. Improves wear resistance and maintains smooth movement. [Basic Specifications] Set of 2 hard titanium coated piston rods (rear) * For TA06 chassis, TA06 PRO chassis, and TA06 MS chassis... Only usable for IFS front suspension * For DF-02 chassis, TT-02B chassis, TT-02BR chassis kit, DB01 chassis, DB02 chassis, and DN-01 chassis... Use in conjunction with 54028 * For TD4 chassis... Use in conjunction with 54504 and 54505 * For TD2 chassis... Use in conjunction with 54505