Proflow's Spark plug boot protector is made from a high temperature resistant glass fiber material and treated with a proprietary coating. Double-wall construction for added durability. This heat shield prevents misfires caused by plug-wire burnout, helping prevent critical engine damage and performance losses.

Proflow's Spark plug boot protector is made from a high temperature resistant glass fiber material and treated with a proprietary coating. Double-wall construction for added durability. This heat shield prevents misfires caused by plug-wire burnout, helping prevent critical engine damage and performance losses.