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This proprietary ‘PnP’ harness enables the installation of any 58x Chevrolet LS-based engine into Porsche 986 or 987 Boxster/Cayman models (1999–2008). It connects directly to the factory Porsche DME connections in the trunk and interfaces with the GM E38 PCM (NOT included) for a seamless integration. Key Features • Plug-and-Play Integration: Utilizes factory Porsche DME connectors for seamless installation. • Comprehensive Compatibility: Supports full gauge functionality, speedometer, tachometer, coolant temperature, oil pressure, and check engine light. • Chassis Functionality: Maintains ABS, PSM, VSS, A/C, and PASM (if equipped). • Engine Compatibility: Designed around the GMPP LS3 crate engine; compatibility with other 58x LS engines may require different sensors or accessories. Included Components • (1) 986/987 Boxster/Cayman to GM E38 Engine Harness • (1) CPE Header Interface (Potted) • (1) A/C Module (’99 Boxster) or CAN Module (‘00–’08 Boxster/Cayman) NOTE • PCM Requirement: GM E38 PCM (Serv No. 12633238) is NOT included and must be sourced separately or purchased through us (regardless of service no. CORVETTE PCMs are NOT supported). • Model Specificity: Ensure correct selection of your vehicle’s model year and trim when ordering to prevent ABS/PSM faults.
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🇺🇸 Ship from USA · On Agora since 2026
$3,850.00