Holley 122-100 Main Jets Pair, 0.129 Inch ID Brass Carburetor Jets

The Holley 122-100 main jets are precision-engineered brass components designed for optimal fuel delivery in carburetor systems. Each jet features a 0.129-inch internal diameter, ensuring accurate air-fuel mixture adjustments for enhanced engine performance. These jets are suitable for a variety of automotive applications where reliable and consistent fuel metering is required. Constructed from durable brass, they resist corrosion and maintain their precision over time, making them a reliable choice for both restoration projects and performance upgrades.

This pair of main jets is compatible with Holley carburetors and other compatible models, providing easy installation and adjustment for tuning your engine's fuel system. The jets are air unrestricted, allowing maximum airflow and fuel flow without additional restrictions, which can contribute to improved throttle response and power output. Whether you're rebuilding your carburetor or fine-tuning your vehicle’s performance, these jets are an essential component for achieving optimal engine efficiency and responsiveness.

Designed with quality craftsmanship, the Holley 122-100 main jets meet or exceed industry standards for precision and durability. They are lightweight yet robust, offering excellent performance in demanding conditions. Proper selection and installation of these jets can help you achieve the desired air-fuel ratio, whether for daily driving, racing, or off-road use. Trust Holley’s reputation for high-quality automotive parts to deliver consistent performance and reliable operation in your fuel system.

Features:

• Constructed from durable brass for corrosion resistance

• Internal diameter of 0.129 inches for precise fuel metering

• Air unrestricted design for maximum airflow

• Includes a pair of main jets for convenience

• Compatible with Holley carburetors and other models