The Topgunz kit was a simple installation. I did it with a Quickjack, and probably couldn't done without even. I wasn't ever really under the car.
IMO, it's less cutting than Z1, because you don't have to notch frame rails at all with the Topgunz kit, just a bit more cutting around the (cheap, plastic) radiator support. The Z1 install says you have to cut into that frame rail metal to make the SC fit.
Both come with brackets for the overflow tank and the rotrex oil reservoir, and the rest is just bolting stuff together and routing some hoses.
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