6-521 – HOLLEY Carburetor Needle And Seat, For Use With Most Holley Performance Carburetors High Flow Adjustable 0.150 Inch Seat Size Titanium Single With All Necessary Hardware

HOLLEY Carburetor Needle And Seat featuring For Use With Most Holley Performance Carburetors. Part #: HOL6-521.

Features

• A Bigger Seat Size Will Flow More Fuel, A Smaller Seat Size Will Flow Less Fuel At A Given Pressure And Has Titanium Needle
• Holley Performance Carburetors Are The Gold Standard For Quality, Reliability And Ease Of Tuning
• Industry’s Leading Offering Of Enthusiast-Driven Products To Deliver Robust, Complete Performance Solutions For Builders, Racers, And Drivers
• Easy To Install
• Limited 90 Day Supplier Warranty