The ignition coil is made of insulating resin material, which is high temperature and flame retardant. The titanium alloy shell is to oxidation and . It has an copper core and an external sealing gasket interface. It has fast ignition, stable and efficient. Improve combustion efficiency and enhance performance: Replacing ignition coil accessories can effectively solve problems such as low-speed jitter, weak acceleration, poor ignition, and increased fuel consumption. Easy installation: specially customized for special vehicles, non-destructive installation, directly replace old or damaged ignition coils, and the installation can be completed in just a few simple steps. Fitment:for C30 C20R M1 Cool Bear 1.5L for H1 Part number:F01R00A013 Please check your vehicle year, make, model, Part number with our description and make sure it fits your vehicle. Quantity:4PCS Colour:Black Material:Resin + metal Package Contents: 4 * Coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.