Empi 43-6417 Idle Jet O-Ring For Weber 40-44 IDF & Empi 40-44 HPMX Carburetors - Each

It's a tiny part, but it makes a huge difference.

This Empi 43-6417 idle jet o-ring is a must-have for anyone running Weber 40 or 44 IDF carburetors or Empi 40-44 HPMX carbs.

If you've got a vacuum leak around your idle jets, this little rubber ring is probably the culprit.

It's a brand new, genuine Empi part, so you know it's the right spec.

Just pop out your idle jet, replace the old, crusty o-ring with this one, and your idle should smooth right out.

It's a cheap fix that can save you a ton of tuning headaches.

Keep a few of these in your toolbox – when you need one, you'll be glad you have it.