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 tough thermoplastic insulation resists acid, oil and moisture, making it ideal for use in challenging spaces. The easy routing and installation make it a great choice for your wiring job. FleetPride is your First Click in Heavy Duty®.