M6x1.0 Chrome Spikes Engine Bay Dress Up Washer Bolt Kit For Integra RSX H23A1 Features: This product is to fix the engine and it is easy to operate. The engine bolt is anti-corrosive, which can be direct replacement of the original one. It is made of carbon steel, which is strong and high strength. The length of engine bolt is 3cm, the width is 1cm. Fit for Integra RSX H23A1 Specifications: Material:Steel Quantity:4pcs,6pcs (optional) Thread Size:M6x1.0 Length:Approx.3cm/1.18'' Package Includes: 4x Spiked Cover or 6x Spiked Cover note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.