Main Jets (2)

Enhance your engine's performance with the HOLLEY Main Jets (part number 12290), designed to optimize your air and fuel mixture for superior efficiency.

• Precision-engineered to ensure accurate fuel delivery, improving throttle response and overall power.
• Lightweight design at just 0.025 lbs, allowing for easy installation without adding unnecessary weight.
• Compatible with various HOLLEY carburetors, making it a versatile choice for your tuning needs.
• Durable construction ensures long-lasting performance, so you can rely on consistent operation under demanding conditions.
• Perfectly balanced to help you achieve the ideal air-fuel ratio, enhancing your vehicle's overall performance.

The HOLLEY Main Jets are a crucial component for achieving optimal fuel flow and performance in your engine setup.

Upgrade your setup with confidence and experience the difference in your vehicle's performance.