Complete coupling .21 On Road X9R.018 – COD. 0803008
– 9 Ports cilinder with antifriction HCP coating
– Sinterized alloy piston
– Piston Pin
– Underhead .21 Turbo glow plug – 2 points
– Conrod .21 On Road
– Wrist piston – pin .21 Ø 0,35mm – 4 pcs