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 06972030
Brand: XRAY
SILICONE O-RING 3x2 (10) - 972030
Reference 06323522
Brand: XRAY
LEXAN REAR WING 0.5mm - LUSH - 323522
Reference 06368011
Brand: XRAY
COMPOSITE SHOCK BALL JOINT +2MM & +4MM (2+2) - 368011
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06365881
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 81T / 48 - 365881
Reference 08106053
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 2.5x10 (10) - 106053
Reference 06362112
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - 362112
Reference 06362112-G
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE - 362112-G
Reference 06363511
Brand: XRAY
LEXAN REAR WING 1.5MM (2) - 363511
Reference 08293561-O
Brand: HUDY
HUDY ALU REAR WING SHIM - ORANGE (2) - 293561-O
Reference 06323517
Brand: XRAY
LEXAN REAR WING - TEC - 323517