K-Jet .120

The K-Jet .120 main pill from Kinsler is a precision brass component designed for high-performance fuel injection and carburetor tuning applications. This metering jet is essential for racers, performance builders, and fuel system specialists who require precise fuel delivery control. It is engineered to work seamlessly within Kinsler's comprehensive fuel system architecture.

Manufactured from brass for superior corrosion resistance and durability, the K-Jet .120 features a 0.120-inch inside diameter orifice that accurately restricts fuel flow, ensuring repeatable metering characteristics. The .120 designation indicates the jet's restriction size, which is critical for calculating fuel curves and achieving consistent mixture delivery across the RPM band. This compact main pill integrates easily into existing fuel injection systems while maintaining the structural integrity required for race-duty reliability.

Tuners and engine builders select the K-Jet .120 when baseline fuel mapping requires a balanced restriction that supports mid-range and high-RPM performance. Its brass construction ensures compatibility with both gasoline and alcohol fuels commonly used in motorsports. This component is ideal for engine combinations utilizing Kinsler fuel injection systems.