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Upgrade your Chevy LS swap with high-performance LS 58X standalone wiring harnesses, crafted for seamless integration and reliability. Designed to support LS2, LS3, LS7, and L99 engines, these harnesses accommodate various transmission types, including 4L60E, 4L80E, 6L80E, and T56/TR6060. With plug-and-play functionality and connectors for drive-by-wire systems, they simplify installation and ensure a clean, professional setup.
Whether you're building a street car or a high-powered race vehicle, these harnesses deliver the dependability and performance required for GM’s 58X reluctor engines. Perfect for enthusiasts and professionals alike, these solutions help streamline your LS swap while maintaining compatibility with key components.
They are compatible with LS2, LS3, LS7, and L99 engines featuring a 58X reluctor wheel.
Yes, they are compatible with T56/TR6060 manual transmissions and automatic transmissions like 4L60E, 4L80E, and 6L80E.
The difference lies in the transmission-specific connectors and controls integrated into each harness.
Yes, most harnesses come with DBW throttle system connectors. Check individual product details for confirmation.
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Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
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2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
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