EFI conversion kit for 1986 and newer small block Chevy. Kit includes 24x reluctor wheel for a small block Chevy utilizing a double row timing chain and gears, includes a Vortec timing cover, crank position sensor and bolts. This allows you to use an ls1 computer and sensors on a Vortec, gen I small block Chevy. with this you get all the benefits of ls1 electronics  including coil on plug, hi resolution injection and ignition fly by wire throttle and the ability to program the PCM to your engine combo, with the use of tuning software.This can also be used with aftermarket systems such as Holley, FAST, BIG STUFF etc.