Specification: Type: lift gas spring; Position: bonnet, left front and right front; Gas cylinder: Nitroge; OEM number: 51237087745; Material: carbon steel; Total length: 325mm; Installation length: 310mm; Stroke length: 120mm; Light tube diameter: 18mm; Rod diameter: 8mm; Ejection force: 330N; Acceories: Direct replacement with original products. ; Such as: BMW E60 E61 525i 525Xi 528i 530i 530Xi 535i 545i M5 Please check your old parts first! Feature: *1. Automobile-specific bonnet shock absorber kit, suitable for specific vehicle models, so existing factory installation points can be used; *2. Easy installation without any modification or drilling; *3. Provide tailor-made perfect and fit decoration; *4. Special anodizing treatment to prevent corrosion; *5, no need to drill holes; *6. High temperature resistance; *7.100% strict quality control; Package Content: Package A: 1 * hood air support; Package B: 2 * hood air support; Note: 1. All pictures have been profeionally calibrated, but due to the ambient light and different display device settings, there may be some deviations in the pictures and items you see, please forgive me. ; 2. The data is measured manually. There may be some deviations, but it does not affect the use. ;