This is a website showcasing the Holley stealth ram and people that are using it. In the HSR CARS section, you can see what combinations people have put together and see the results. The Stealthram is a new EFI manifold manufactured by Holley. The manifold is based off of a tunnel ram carburetor manifold with a cast aluminum plenum which bolts to the top. This is a replacement for the GM TPI system. Or you can buy it as a complete stand alone EFI system if you are converting from carburetor. It is called the Stealthram MPFI system.

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