This retro-fit fuel injection kit is released for use on small-block V8 engine using vortec design cylinder heads. The vortec heads are P/N 12558060 iron or 12464298 aluminum. This fuel injection unit must use an after market ECM and wiring harness with the proper calibration. This unit is used on 350 Ram Jet engine P/N 12495515. Technical Notes: This kit includes these major items plus brackets, sensors, bolts, nuts, gaskets, and other small parts. It does not include ECM or wiring harness.

Includes - PART #-QTY-DESCRIPTION :01115498 01 Coil-Ignition 12097982 01 Wire Assembly - Marine Ignition 12489371 01 Manifold, Intake 1104060 01 Distributor Assembly - Ignition 10456126 01 Sensor Assembly - Knock 17096144 01 Throttle Body 12553918 01 Fuel Injection Rails 17124248 08 Injectors 16249939 01 Map Sensor 17123897 01 Fuel Pressure Regular

Current MEFI 4 design. It includes module P/N 88962717, wire harness P/N 88961967, oxygen sensor P/N 25312200, intake air temp sensor P/N 25036751, oxygen sensor fitting P/N 15156588.
Technical Note:
If replacing the ECM module only a jumper wire P/N 88963118 is available to convert a MEFI 4 module to a MEFI 3 wire harness to retain your open loop system. The computer has a "green mode" that controls the RPM's for the brake in period. From start up to the end of first hour is 4000 RPM, second hour is 4500 RPM and third hour is 5500 RPM.

Fitting, Oxygen Sensor This fitting is used on all MEFI 4 electronic controlled ignition systems. It should be welded into the exhaust pipe so the oxygen sensor can be screwed in to the exhaust system.

Used on all Chevrolet 283-400ci V8 engines. Pump has 7 psi shutoff pressure, 3/8-18 inlet and outlet ports and has a free flow rating of 110 gallons per hour. Technical Notes: 6.5 to 8 lb at 1800 rpm

GM Part # 12355613

Used on all Chevrolet 283-400ci V8 engines. Pump has 9 psi shutoff pressure, 1/2-14 inlet and outlet ports and has a free flow rating of 115 gallons per hour.

This heavy-duty 12-volt electric rotary fuel pump flows 72 gallons per hour at 6-8 psi outlet pressure. It will meet the fuel requirements for high-performance cars, RVs, and street rods.

Fuel Pressure Regulator: Suitable for single or dual carburetor applications, as well as single with nitrous.