Here are all the options parts for the Xray XB4 2020 and olders
Reference 06363353-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - GRAPHITE - 363353-G
Reference 06335080
Brand: XRAY
DIFF PIN (2) - 335080
Reference 06335030
Brand: XRAY
DIFF BEVEL & SATELLITE GEARS (2+4) - 335030
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508
Reference 06303123-O
Brand: XRAY
ALU SHIM 3x6x2.0MM - ORANGE (10) - 303123-O
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06353561
Brand: XRAY
ALU REAR WING SHIM (2) - 353561
Reference 06972030
Brand: XRAY
SILICONE O-RING 3x2 (10) - 972030
Reference 08293561
Brand: HUDY
HUDY ALU REAR WING SHIM (2) - 293561
Reference 06362112-G
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE - 362112-G
Reference 06365884
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 84T / 48 - 365884
Reference 06323354-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - GRAPHITE - 323354-G