X-21S001 X-Act .21 .28 PRO Con Rod Double Bushed
X-21S005 X-Act .21 Head Shims Standard / Turbo 0.2mm 0.3mm
X-21S016 X-Act .21 .28 Complete high Speed Main needle assembly
X-21S037 X-Act .21 .28 Rotary Carburettor O Ring 10x1.3mm -2pcs
X-21S040 X-Act .21 .28 Rotary Carburettor Boot, Elbow + Nut
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