Ensure precise fuel control with Holley's .150 steel adjustable needle and seats, designed for reliable carburettor performance. Each pack includes two components measuring 12.7 cm in length, engineered to fit critical fuel system applications. Optimize your engine's efficiency and read on for detailed specifications.

Ensure precise fuel flow control with Holley's .120 Viton adjustable needle and seats, designed to fit compactly at 12.7 cm in length. This pack of two optimizes carburettor performance, enhancing engine efficiency and reliability. Discover how this key component stabilizes your fuel system for consistent power delivery.

Ensure precise fuel flow control with Holley's black needle and seat hardware, designed to fit carburettor assemblies perfectly. Measuring 12.60 cm in length, this kit delivers reliable performance and durability in a compact package. Discover the detailed engineering that supports optimal engine function below.

Ensure precise fuel flow control with the .130 Steel Adjustable Needle and Seats, designed to optimize carburetor performance. Each pack features two components crafted by Holley, measuring 12.7 cm in length to fit seamlessly within your fuel system. Improve engine efficiency and reliability with parts engineered for exact fit and durability.

Ensure precise fuel control with the Holley .097 Viton adjustable needle and seat, engineered exclusively for HO0-4224 carburettors. Its compact dimensions—12.70 cm length, 8.80 cm width, and 3.10 cm height—facilitate a perfect fit to optimize fuel system performance. Discover how this targeted design enhances reliability and efficiency.

Optimize fuel delivery precision with the .097 Viton Adjustable Needle & Seat, engineered to enhance carburettor performance. Its compact design, measuring 12.7 cm in length, ensures seamless integration into your fuel system. Discover how precise adjustments can improve engine efficiency and responsiveness.

Ensure precise fuel flow control with the Holley Adjustable Needle & Seat Gasket Hardware Kit. Designed with compact dimensions of 12.70 cm by 8.80 cm, it fits seamlessly into your carburetor system, enhancing fuel efficiency and engine performance. Discover how this lightweight 0.05 kg kit can optimize your fuel system.