Improved 401 with 'hotter' camshaft giving 100bhp output, a front anti-roll bar and Alfin brake drums; latterly a remote change, too. Perhaps the best of the early Bristols - 401s often upgraded to 403 spec.
- 1971cc (S6 OHV)
- Front engine, rear-wheel drive
- Production dates:
- 1953 to 1955
- Number produced: