MIKUNI 4/042-135 Hex Main Jets - High-Performance Fuel Jet Kit for Powersports Engines

Upgrade your powersports engine's performance with MIKUNI's precision-crafted Hex Main Jets. These critical fuel delivery components ensure optimal air-fuel ratios for enhanced throttle response, power output, and fuel efficiency across a range of off-road and on-road applications.

Key Features

• Hexagonal Jet Design: Ensures precise fuel flow calibration for consistent engine performance under varying conditions.
• Universal Compatibility: Fits most MIKUNI carburetor models, making them ideal for tuning and maintenance tasks.
• Durable Construction: Made from high-grade brass for long-lasting performance in harsh engine environments.

Why Choose This Product

Whether you're modifying a dirt bike, ATV, or motocross rig, these jets provide the accuracy needed for peak engine performance. Their hexagonal shape allows for easy adjustment while maintaining fuel flow integrity. Riders benefit from smoother acceleration, better fuel economy, and reduced engine wear through precise air-fuel ratio control. The universal fitment also makes them a versatile addition to any powersports technician's toolkit.