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Product details
This jet provides a 0.70 idle-circuit calibration in 40K and Kadron-style carburetors. Use it to keep a known setting or make a measured tuning change in the idle and progression system. Changing this jet does not replace adjustment of the main-fuel circuit.
Technical Details
- Part number: 43-5070-7
- Jet type: Idle
- Calibration: 0.70
- Application family: 40K/Kadron/Brosol-Solex
- Sold: Each
Fitment & Compatibility
Match the installed carburetor and original idle-jet pattern. Verify the engine's baseline tune before changing size, then check the mixture as the throttle moves out of idle. A shared calibration number does not confirm interchange with other jet families.