Rear skidplate carbon and Aluminum The SRX8 has the steel chassis skidplate as standard feature in the hard anodised chassisplate. As optional items Serpent now releases 2 lighter version of the skidplate1 x coated alumnium1 x carbon fibre .Both include the seal/gasket to close the diff case. 600897 Skid plate Aluminum SRX8, 600898 Skid plate carbon SRX8