Product Name: Internal-Combustion Engine PartsModel Number: S195Place of Origin: ChinaFeatures: 1) Materials: a) Intake valve: 4Cr9Si2 b) Exhaust valve: 40Cr 2) Diameter: 9.5mm 3) Length of material: a) Intake valve: 270mm b) Exhaust valve: 234mm 4) Primary competitive advantages: a) Guarantee/warranty b) International approvals c) Quality approvals d) Small orders accepted Outer packing: N.W.: (intake valve) 0.119kg, (exhaust valve) 0.1kg G.W.: (intake valve) 0.15kg, (exhaust valve) 0.13kg