What year car and chassis? I’ve done numerous subframe connectors and none of them ever drop in perfectly. Front subframes always seem to walk on the subframe mounts and don’t line up as they did from the factory. Shit always needs clearancing and or cutting to fit. Do these clear the floorpans or are they a notch type fit? Last pair I welded in was on a '69 RS SS that I built for drag racing(NON-numbers car…complete custom tubbed rear, Chassis Works Fab 4 link rear end). Major cutting involved on that car. Actually fabbed and formed our own rear floor pans around the connectors. Had a customer with a '70 split bumper that wanted them installed and decided not to when he found out that I needed to notch the floor pans to fit…
99% of the time they’re not an easy drop in, but yes I can surely do it given time to do so. I’m pretty busy here now.