Here are all the options parts for the Xray XT4
Reference 06365878
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 78T / 48 - 365878
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 06303454-V2
Brand: XRAY
COMPOSITE BALL JOINT 4.9MM - OPEN (4) - 303454-V2
Reference 06305231
Brand: XRAY
DRIVE SHAFT COUPLING - HUDY SPRING STEEL - 305231
Reference 06335030
Brand: XRAY
DIFF BEVEL & SATELLITE GEARS (2+4) - 335030
Reference 06303122-O
Brand: XRAY
ALU SHIM 3x6x1.0MM - ORANGE (10) - 303122-O
Reference 06303123-O
Brand: XRAY
ALU SHIM 3x6x2.0MM - ORANGE (10) - 303123-O
Reference 06364904-L
Brand: XRAY
GEAR CENTER DIFFERENTIAL - LIGHTWEIGHT - SET - XRAY
Reference 06301336
Brand: XRAY
COMPOSITE REAR 6MM ADJUSTABLE BODY MOUNT SET - 301336
Reference 06364131
Brand: XRAY
SLIPPER CLUTCH PAD SLS - SOFT (3) - 364131
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508