MIKUNI 4/042-720 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 power, efficiency, and engine longevity in motorcycles, ATVs, and off-road vehicles.

Key Features

• Hexagonal Jet Design: Ensures precise fuel flow control and easy installation with standard tools
• High-Quality Brass Construction: Resists corrosion and maintains accuracy under extreme operating conditions
• Compatibility: Specifically engineered for MIKUNI carburetor systems with 4/042-720 specifications
• Adjustable Flow Rates: Allows fine-tuning for different fuel requirements and environmental conditions
• Durable Finish: Anti-oxidation coating for long-term performance in harsh environments

Why Choose This Product

These main jets are essential for riders seeking maximum engine performance and reliability. The hexagonal design ensures secure fitment and consistent fuel delivery, while the durable brass construction withstands high temperatures and corrosive elements. Whether you're modifying your powersports vehicle or maintaining its factory specifications, these jets provide the precision needed for optimal engine operation. Their easy installation and adjustability make them a must-have for serious riders and mechanics alike.