Main Jets (2)

Optimize your engine's performance with the HOLLEY Main Jets (part number 12263), designed to enhance fuel delivery and combustion efficiency.

• Precision-engineered for consistent fuel flow, ensuring optimal engine performance.
• Easy to install, allowing for quick adjustments to your air-fuel mixture for improved throttle response.
• Durable construction guarantees long-lasting reliability under various driving conditions.
• Perfectly calibrated to maximize power output, enhancing your vehicle's overall driving experience.

Weighing just 0.020 lbs, these main jets are a lightweight yet powerful upgrade for your air and fuel system.

Elevate your engine's capabilities with HOLLEY's quality engineering.