Here are all the options parts for the Xray XT4
Reference 06323357-M
Brand: XRAY
COMPOSITE UPRIGHT REAR - LOWER POSITION - MEDIUM - 323357-M
Reference 06362251-G
Brand: XRAY
COMPOSITE STEERING BLOCK CARBON EXTEN. PLATE - G - 362251-G
Reference 06303122-O
Brand: XRAY
ALU SHIM 3x6x1.0MM - ORANGE (10) - 303122-O
Reference 06365878
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 78T / 48 - 365878
Reference 08293561
Brand: HUDY
HUDY ALU REAR WING SHIM (2) - 293561
Reference 06323354-M
Brand: XRAY
COMPOSITE UPRIGHT REAR - UPPER POSITION - MEDIUM - 323354-M
Reference 06364975
Brand: XRAY
COMPOSITE CENTER DIFF SPUR GEAR 75T / 48 - 364975
Reference 06335031
Brand: XRAY
DIFF BEVEL & SATELLITE GEARS FOR O-RINGS - SET - 335031
Reference 06301333
Brand: XRAY
REAR BODY MOUNT SET +1MM HEIGHT - 301333
Reference 06303122-K
Brand: XRAY
ALU SHIM 3x6x1.0MM - BLACK (10) - 303122-K
Reference 06305231
Brand: XRAY
DRIVE SHAFT COUPLING - HUDY SPRING STEEL - 305231
Reference 06323517
Brand: XRAY
LEXAN REAR WING - TEC - 323517