A vehicle's engine is very complex and involves many small automotive parts to have it running at a high performance level. Sometimes it's one small device that needs to be changed out, such as the filter changed as part of regular maintenance, you should have your cap and rotor kits replaced as well.
What Caps and Rotors Do
Although small, red cap and rotor may need to be removed and dried out using a small rag.
Buying Caps and Rotors
So what are some features to look for when choosing Accel.