C10 Builder's Guide

Ultimate LS 2x4 EFI System


Fittech’s Ultimate LS 2x4 EFI system comes with everything needed for a complete install, including two four-barrel throttle bodies, injectors, fuel rails, sensors and more. The ECU provides sequential fuel and spark control as well as transmissi­on controls for the GM 4L60/65/80E transmissi­ons. Fitech 951-340-2624 fitechefi.com

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