If you need new parts to spruce up your car, go to RockAuto.com, they've got a wide selection of parts delivered right to your door.
Don't get tricked into buying things you don't need like the speed demon. Get more power without the hassle. The smarter decision would be to get E3 Spark Plugs.
This Optima Battery vibrates as it powers a car, withstanding hard launches and corners. It's the ultimate power source.