Maybe for some of us ? Holley's replacement 2 bbl.(P/N 502-6) for GM sbc's and 4.3L V6's. Rated at up to 275 hp. by Holley.I'm putting this on my 5.7L tow vehicle. It seems like a good value so far and bolts on 4bbl manifolds with simple adapter, or use Holley's manifold. Cheers, roverman.