Thermo Tec Plug Wire Sleeve Braided 6 x .375 Inch Up to 750 Degree F Blue 6 Pack (14273) 1713 The idle is rougher than

The idle is rougher than stock with these cams

high flow cats and resonators

BMW E39 M5 / 540i (MT) High-Performance All-Aluminum Radiator

2 Grand Sport

Tall design enhances sensor body cooling and minimizes restriction

Thermo Tec Plug Wire Sleeve Braided 6 x .375 Inch Up to 750 Degree F Blue 6 Pack (14273) 1713 The idle is rougher thanThis unique spark plug and ignition wire protector comes in four sporty colors; red, blue, black and natural. These dual purpose sleeves enhance performance, reduce misfires, extend plug wire life and will not react with petroleum products. The double wall construction keeps the wire and boot cooler in a high temperature engine. Its universal size fits most boots, is easy to install and most importantly is non flammable. Cool It Plug Wire Sleeves can