Here are all the options parts for the Xray XT4
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 08293561
Brand: HUDY
HUDY ALU REAR WING SHIM (2) - 293561
Reference 06363511
Brand: XRAY
LEXAN REAR WING 1.5MM (2) - 363511
Reference 06303125-K
Brand: XRAY
ALU SHIM 3x6x3.0MM - BLACK (10) - 303125-K
Reference 06335030
Brand: XRAY
DIFF BEVEL & SATELLITE GEARS (2+4) - 335030
Reference 06335080
Brand: XRAY
DIFF PIN (2) - 335080
Reference 06353561
Brand: XRAY
ALU REAR WING SHIM (2) - 353561
Reference 06363512
Brand: XRAY
LEXAN REAR WING 2.0MM (2) - 363512
Reference 08106052
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 3x10 (10) - 106052
Reference 06323354-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - GRAPHITE - 323354-G
Reference 06362480
Brand: XRAY
ANTI-ROLL BAR 2.0 MM - 362480