MIKUNI 4/042-65 Hex Main Jets - High-Performance Fuel Jet Kit for Powersports Engines

Upgrade your powersports engine's performance with MIKUNI's 4/042-65 Hex Main Jets. These precision-machined fuel jets ensure accurate air-fuel ratio control, delivering consistent power output and improved throttle response for riders who demand reliability and performance.

Key Features

• Hexagonal Design: Ensures precise fuel flow calibration for optimal engine performance across various RPM ranges.
• High-Quality Steel: Durable construction resists corrosion and maintains accuracy under extreme operating conditions.
• Direct Carburetor Compatibility: Designed for seamless installation in MIKUNI carburetor systems without requiring major modifications.

Why Choose This Product

Whether you're tuning a motorcycle, ATV, or UTV, these main jets provide critical fuel metering for smooth power delivery and enhanced engine efficiency. The hexagonal shape allows for precise adjustment, while the durable materials ensure long-term reliability. Riders will notice improved acceleration, better fuel economy, and reduced engine knocking when using these jets in properly tuned carburetor systems.