Classic Performance Products 378 E Orangethorpe Ave., Placentia CA 92870



So you have our LS Series engine installed and now you are ready to wire it all up? These harnesses are designed for retrofitting LS Series engines in your older Classic Car or truck, perfect for use with our engine upgrade install kits. These are a complete standalone harness that are year and model specific and work with all factory engine components. Available for all 4L60-80E series automatics as well as the popular T56 manual transmissions; See all applications below for your specific year and engine model. Please note Alternator Pin style, Mass Airflow sensor, CAM type and MAP Sensor type options below. These are based off your engines stock setup; so please call us directly with any questions if you are unsure of your particular setup. Harnesses are professionally constructed from brand new GM Delphi connectors and TXL (Polyethylene Cross Linked) high temperature wire to GM specifications. All harnesses are 100% quality inspected prior to shipping. Note: Harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions.


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