is to spin around inside the distributor cap and make contact with each of the electrical terminals inside. This allows the high voltage charge from the ignition coil to be conducted to the spark plugs on each engine cylinder.
Like the distributor cap, the rotor arms are prone to degradation over time and will need replacing periodically to prevent loss of engine performance. Show Less... View More
You have selected Quantity 1 x Brake Disc . Brake discs are recommended to always be changed in pairs. Therefore it is recommended that you select Quantity x 2 . If your vehicle has specific Brake Discs for each side (e.g. some BMW M3 vehicles), please check the specification and select the correct Brake Disc(s) and Quantity.