Features Make it an easy swap job with a brand-new MSD Atomic LS1/LS6 Installation Kit Provides the required brackets and injector connectors for installation of fuel injectors in LS1/LS6 engines and LS trucks Different fuel rail brackets and injector connectors will be required to install on an LS1/LS6 and intake combination Fitted with a high-quality EV1 injector harness Must be used alongside your MSD Atomic Master Kit Your MSD Atomic LS1/LS6 Install Kit is backed by a limited warranty DescriptionA brand-new fuel injector can make all the difference in fuel economy and throttle response, so when the time comes to make the swap, you¡¯re going to want to have invested in an MSD Atomic LS1/LS6 Installation Kit. If you¡¯re working with an LS1/LS6 engine or an LS series truck, this kit is perfect, providing all the necessary brackets and injector connectors ¨C but if you have an LS1/LS6 and intake combination, different fuel rail brackets and connectors will be required.Well-suited for your existing MSD Atomic Master Kit, each MSD Atomic LS1/LS6 Install Kit uses an EV1 injector harness and is supported by a limited warranty. Manufacturer InfoReturn Information