The idle jet plays a crucial role in how your carburetor and engine behave in the lower RPM range, typically from idle up to approximately 2500–3000 RPM, as well as during the critical progression phase to the main circuit. A correctly sized idle jet ensures a smooth idle, prevents hesitation, and eliminates flat spots or spitting back through the carburetor during light throttle application.

This is a genuine quality jet that fits directly into Dellorto's popular high-performance carburetors. Whether you are running a twin sidedraft or a downdraft setup, this is the correct part for fine-tuning your carburetor's calibration and optimizing engine performance.

Compatible with the following carburetor models:

• Dellorto DHLA (Sidedraft)
• Dellorto DRLA (Downdraft)

Available sizes (please select from the drop-down menu before adding to your cart):

• 35, 40, 42, 45, 48, 50, 52, 55, 58, 62, 65, and 70

The jets are sold individually. If, for example, you are running twin carburetors with two barrels each, you will typically need to order a total of four jets.