Main Jets (2)

Optimize your engine's performance with HOLLEY Main Jets (part number 12277), designed to enhance your air and fuel mixture for improved efficiency.

• Precise tuning capabilities help achieve optimal fuel delivery, ensuring your engine runs smoothly.
• Lightweight design (0.02 lbs) makes installation easy and hassle-free.
• Durable construction provides long-lasting reliability, so you can depend on consistent performance.
• Compatible with various HOLLEY carburetors, making it a versatile choice for your tuning needs.

These main jets are an essential part of your air and fuel system, tailored specifically for HOLLEY applications.

Elevate your vehicle's performance with HOLLEY Main Jets today.