Here are all the options parts for the Xray T4 2018 and olders
Reference 06303166
Brand: XRAY
REAR SUSPENSION ARM - EXTRA-HARD - 2-HOLE - 303166
Reference 06303171
Brand: XRAY
ARS - ACTIVE REAR SUSPENSION ARM - GRAPHITE - 1-HOLE - 303171
Reference 06303190
Brand: XRAY
GRAPHITE REAR LOWER ARM PLATE 1.6MM (L+R) - 303190
Reference 06303192
Brand: XRAY
GRAPHITE ARS REAR LOWER ARM PLATE 1.6MM (L+R) - 303192
Reference 06303351
Brand: XRAY
COMPOSITE UPRIGHT 1° OUTBOARD TOE-IN - RIGHT - MEDIUM - 303351
Reference 06303363
Brand: XRAY
COMPOSITE UPRIGHT 1° OUTBOARD TOE-IN - LEFT - HARD - 303363
Reference 06303364
Brand: XRAY
COMPOSITE UPRIGHT 0° OUTBOARD TOE-IN - 1-HOLE - HARD - 303364
Reference 06303710-O
Brand: XRAY
ALU LOWER 2-PIECE SUSPENSION HOLDER (1) - 303710-O
Reference 06303712-O
Brand: XRAY
ALU LOWER 2-PIECE SUSPENSION HOLDER FOR ARS - RIGHT - 303712-O
Reference 06303713-O
Brand: XRAY
ALU LOWER 2-PIECE SUSPENSION HOLDER FOR ARS - LEFT - 303713-O
Reference 06303714
Brand: XRAY
BRASS LOWER 2-PIECE SUSPENSION HOLDER FOR ARS - RIGHT - 303714
Reference 06303715
Brand: XRAY
BRASS LOWER 2-PIECE SUSPENSION HOLDER FOR ARS - LEFT - 303715