At least a couple of thousand TVRs were built for the North American market over the years in left hand drive. Plus, you have others that were built for the European market in left hand drive and, until recently, were still being built in LHD. The great majority of the 2500s, 2500Ms, 3000s, 280i as well as many of the Vixens, Taimars, etc, were built in LHD. Plus you have Jomars, Granturas, 1800s, Tuscans, and the great majority of the original V8 Griffiths, that were built in LHD> The last US-spec TVRs were brought in in 1987. After that, they continued to be imported into Canada into the mid-1990's, including the Griffith mentioned by 'What's That Noise' at a New Jersey Show. There were also several V8 powered 450SEs, 350is and some S2 and S3 models imported into Canada in LHD.
The newer models since then have been built in LHD in small numbers, but not officially imported into North America.
Can you import one now? I supppose, with enough patience, determination and, of course, money, anything is possible.