TEGIWA Bonnet Spacers. Bonnet spacers give a unique look to the front of any car and give good cooling benefits as the warm air the engine creates, is drawn out of the newly created gap at the back of the bonnet. These anodized aluminium bonnet spacers will fit the majority of Japanese cars. They are available in three sizes: 12mm, 25mm, and 37mm and a variety of colours. In this kit you will recieve... 4x Anodized Spacers 4x Anodised Washers 4x Stainless Steel bolts Please be sure to check the thread size of your bonnet holes. They will be with 6mm bolts or 8mm bolts - select the size you need.