MIKUNI 4/042-290 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 accurate air-fuel ratios for enhanced power, efficiency, and responsiveness across a range of riding conditions.

Key Features

• Hexagonal Jet Design: Ensures secure, leak-free installation in MIKUNI carburetors for reliable fuel flow.
• High-Quality Brass Construction: Resists corrosion and maintains precision over time, even in demanding environments.
• Compatibility: Specifically engineered for MIKUNI carburetor systems to ensure seamless integration and optimal performance.
• Adjustable Flow Rates: Allows fine-tuning of fuel delivery for custom engine setups and performance tuning.
• Easy Installation: Designed for quick replacement without requiring specialized tools or expertise.

Why Choose This Product

Whether you're modifying a motorcycle, ATV, or UTV, these Hex Main Jets deliver consistent fuel metering for smoother throttle response, improved fuel efficiency, and maximum power output. Their durable construction ensures long-term reliability, while the precise fitment reduces the risk of leaks or improper calibration. Ideal for riders seeking to optimize engine performance without compromising on quality or ease of use.