Design & Quality: OEM Design: Tailored for GM 1999-2006 Vortec engines with drive-by-cable throttle bodies and suitable for 4L60E or 4L80E transmissions.High-Quality Materials: The harness is constructed from durable, corrosion-resistant copper core wires with high conductivity and wear resistance. It also features a high-temperature-resistant plastic covering. Compatibility: Engine Compatibility: Fits 1997-2006 LS1 4L60E or 4L80E engines.Transmission Compatibility: Designed for automatic...