Holley 6-521 Needle and Seat Assembly for Carburetors, Adjustable, Titanium, 0.150 Inch Orifice

The Holley 6-521 Needle and Seat Assembly is designed for precise fuel regulation in carburetors, offering durability and optimal performance. Crafted from lightweight titanium, this assembly features an adjustable needle for fine-tuning fuel flow, ensuring consistent engine operation. Its 0.150-inch orifice provides a reliable seal and smooth fuel delivery, making it suitable for high-performance applications. This part is compatible with a range of Holley carburetors and is ideal for enthusiasts seeking to enhance their vehicle's fuel system efficiency. Easy to install, the assembly is built to withstand the rigors of racing and street driving alike, providing long-lasting durability and reliable fuel management. Whether tuning a race engine or maintaining a classic vehicle, this needle and seat assembly offers precision and dependability. Dimensions are detailed in product specifications, ensuring proper fitment and optimal performance in your carburetor setup.

Features:

• Adjustable needle for precise fuel flow control

• Constructed from lightweight titanium for durability

• 0.150-inch orifice for reliable sealing and fuel delivery

• Compatible with Holley carburetors

• Ideal for high-performance and street applications