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The DU6 Twin Barrel SU Carburettor

6th of November, 2019

The DU6 must be one of the rarest SU Carburettors ever made, rumour has it only 80 units were produced, to go in Coventry Climax single seater racing cars. They shared a single float bowl between the bores, cast as part of the single body. No air filter was fitted, only ram pipes.

They were fitted as a pair. Presumably the throttle plates were on a single spindle to simplify setup and tuning. The 6 in the part number would suggest a 1 3/4" diameter.

DU6 SU Carburettor

More Information

If you have any photos or other information on SU Carburettors, I would love to hear from you. please send me a message: tim@carb.su


Carb.SU: All you need to know about SU Carbs


  • DU6
  • SU Carbs
  • Coventry Climax