Carburetor Idle Mixture Screws and Springs

Find the right carburetor mixture screws for precise fuel-air adjustment and optimal engine performance. Our selection includes idle mixture screws for various makes and models, designed to help restore smooth idling, efficient combustion, and throttle response.
When selecting a replacement mixture screw, it’s important to measure the overall length accurately and match the tapered end to your original part. These dimensions ensure proper fitment and function, preventing issues like poor idle, stalling, or backfiring.
Use our high-quality replacement screws to fix worn or missing components and fine-tune your carburetor with confidence. Each product listing includes detailed specifications to help you match by size, taper, and thread.
Ideal for DIY rebuilds, restorations, and professional carburetor tuning.