MIKUNI 4/042-85 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 ratio control, enhancing power output and engine efficiency for motorcycles, ATVs, and more.

Key Features

• Hexagonal Jet Design: Ensures secure, leak-free installation in carburetor systems
• High-Quality Brass Construction: Resists corrosion and maintains accuracy under extreme operating conditions
• Exact Fitment: Specifically engineered for MIKUNI 4/042-85 carburetor models
• Easy Adjustment: Simplifies tuning for optimal fuel delivery performance
• Performance-Enhancing: Improves throttle response and engine efficiency across RPM ranges

Why Choose This Product

These main jets are essential for riders seeking precise fuel metering and consistent engine performance. The durable brass construction ensures long-term reliability, while the hexagonal design provides superior sealing properties. Whether you're modifying a classic motorcycle or optimizing a modern powersports vehicle, these jets deliver the accuracy needed for peak performance.