The Power Products Primary Wire is the perfect choice for your wiring project. It meets or exceeds SAE J1128 & SAE J378 type GPT specifications, making it a reliable and durable choice. The wire is easy to route and install in challenging spaces and its tough thermoplastic insulation resists acid, oil and moisture. With this wire, you can be sure your wiring project will be done right the first time. FleetPride is your First Click in Heavy Duty®.