Here are all the options parts for the Xray XT4
Reference 06305231
Brand: XRAY
DRIVE SHAFT COUPLING - HUDY SPRING STEEL - 305231
Reference 06323517
Brand: XRAY
LEXAN REAR WING - TEC - 323517
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06323357-M
Brand: XRAY
COMPOSITE UPRIGHT REAR - LOWER POSITION - MEDIUM - 323357-M
Reference 06303122-K
Brand: XRAY
ALU SHIM 3x6x1.0MM - BLACK (10) - 303122-K
Reference 06363512
Brand: XRAY
LEXAN REAR WING 2.0MM (2) - 363512
Reference 06365878
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 78T / 48 - 365878
Reference 06940512
Brand: XRAY
BALL-BEARING 5x12x4 RUBBER SEALED - OIL (2) - 940512
Reference 06303122-O
Brand: XRAY
ALU SHIM 3x6x1.0MM - ORANGE (10) - 303122-O
Reference 06303123-K
Brand: XRAY
ALU SHIM 3x6x2.0MM - BLACK (10) - 303123-K
Reference 06368011
Brand: XRAY
COMPOSITE SHOCK BALL JOINT +2MM & +4MM (2+2) - 368011
Reference 08106052
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 3x10 (10) - 106052