Fox Glow Plugs have Won Universal Acceptance. FEATURES: Gold-Plated Core Pieces that Eliminate Weld Failures Rhodium and Platinum Elements which Make the Plug Idle Better Exclusive Fox Insulating makes it Resistant to 1800ºF Glow Plugs Perform Well and are Less Susceptible to weather, temperature, and fuel. INCLUDES: One R/C Long Glow Plug Without Idle Bar One Copper Washer ir/jl