Jet Extension Kit

The Jet Extension Kit from MOROSO is a specialized tool designed for carburetor tuning and optimizing fuel delivery in high-performance engines. This compact kit is ideal for mechanics and engine builders who require precise control over jet sizing and needle positioning, particularly in Holley-style carburetors.

The kit allows users to adapt and adjust jet positioning within the carburetor's fuel bowl, extending the effective depth of main jets and idle circuits. This capability helps to eliminate fuel starvation at high RPMs or during heavy acceleration while preventing overly rich conditions at cruising speeds. Its lightweight design ensures minimal impact on the overall carburetor weight while maintaining the necessary tolerances for consistent fuel metering.

Carburetor enthusiasts, bracket racers, and street performance builders will find this kit particularly beneficial for fine-tuning existing carburetors, avoiding the need for complete replacements. Installation is straightforward, requiring only basic carburetor knowledge and standard hand tools, making it accessible for a wide range of users.