WELCOME TO LAB RATS PERFORMANCE
Whether you have a new motor or used motor we promise that you will be completely satisfied with our standalone LS swap harness. We're committed to providing a stress-free LS Swap experience to both new and returning customers. Our shop only sources parts from reputable brands to ensure that vehicle is always ready to drive equipped with our LS1 Standalone harness. Please shop around and view our many ls swap parts we offer.
"LET US WORRY ABOUT THE WIRING SO YOU DON'T HAVE TO"
Lab Rats Peformance, LLC specializes in the design and manufacture of Standalone Wiring Harnesses for GM Gen II, III, and IV LS 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 and LS7 Engines. In addition to wiring harnesses, you will find other components and kits for retrofitting older vehicles with these powertrains including PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!