MIKUNI 4/042-210 Hex Main Jets - High-Performance Fuel Jet Kit for Powersports Engines

Upgrade your powersports engine's performance with MIKUNI's 4/042-210 Hex Main Jets. These precision-machined fuel jets deliver consistent air-fuel ratios for smoother throttle response, improved power output, and reliable engine performance under demanding conditions.

Key Features

• Hexagonal Design: Ensures secure fitment and precise fuel flow control for optimal engine tuning.
• High-Quality Brass Construction: Resists corrosion and maintains accuracy in extreme temperatures and harsh environments.
• Universal Compatibility: Fits most MIKUNI carburetor models, ideal for motorcycles, ATVs, and UTVs.
• Easy Installation: Simple replacement for DIY tuning without specialized tools.

Why Choose This Product

Whether you're racing or riding off-road, these main jets provide the critical fuel delivery precision needed to maximize engine efficiency. The durable brass construction ensures long-term reliability, while the hex design allows for precise adjustment to match your engine's specific requirements. Upgrade to MIKUNI's trusted solution for professional-level performance tuning.