... quality 2.Weight: light 3.Not rusting, resistant to impact 4.In stock Polymer alloy steel Engine steel backing plate _Protection ... the engine of the direct damage, humanization design oil hole cover, gearbox oil hole and the air inlet, air outlet, change the oil, gearbox oil seal ... to impact,no rust, not affected by damp.4.Installation: Light weight, easy to install, does not affect the fuel ...