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I'm pretty sure you're looking at more like 100 lbs. My 2.3L TVS blower weighs 50lbs alone. I'm not sure about the KB, but I would think it weighs at least as much. Then add in the intercooler, heat exchanger, intercooler reservoir and at least a couple gallons of fluid and I think you'll be close to 100 lbs.
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Remember alot of parts come off that help balance it out I believe they told me right around 50 lbs when finished. I figure that would be close enough.