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The Edge Comp is installed with a Bosch VP44 Injection Pump Stealth Cover. A lot of people are wondering how hard it is to install. I hate to say it, but it's extremely simple. I think the biggest thing is installing the Bosch VP44 Injection Pump Stealth Cover. First off...Disconnect your batteries! - Negative cables. I got smart and started with the Bosch VP44 Injection Pump Stealth Cover installation. Which is basically loosen the clamps (2 - 7/16" nuts) on the air tube on the drive side and move it aside. Remember to stick a rag in both holes. Then remove the APPS off the engine (3 - 13mm bolts). Now you got a good view of the top of the Bosch VP44 injection pump. So now you take the supplied tamper-proof Torx bit and a nut driver and remove all 5 bolts out of the Bosch VP44 injection pump cover plate. Save you old plate! DON'T THROW IT AWAY! Now you take you Bosch VP44 Injection Pump Stealth Cover and install it in place of the old cover plate. Once you got the Bosch VP44 Injection Pump Stealth Cover mounted snug all the bolts gently. Now take the supplied Allen screw and thread it in the tapped hole with your fingers till it stops. Now get out a test light or a DVM. I used a DVM. Hook up the batteries and turn the ignition ON. Ground your test light or DVM lead and touch the Allen screw with the positive lead. Now tighten the Allen screw till you get 12V or a bright light. Then turn an extra 1/2 turn. Now disconnect your batteries again. Now strip the wire and crimp on the supplied ends (ring terminal and blade terminal). Put the ring terminal on the Allen screw and using the supplied nut tighten down the nut snug! No more than snug, though. Don't want to strip the threads in the plastic. Now assemble the APPS on the engine and the air tube. So when your done it should look like...