Holley 6-521 Carburetor Needle and Seat
by Holley
Sale
$85.28
$66.33
A Bigger Seat Size Will Flow More Fuel A Smaller Seat Size Will Flow Less Fuel At A Given Pressure And Has Titanium Needle Compatible With Racing Fuels That Contain Benzine Acetone And Alcohol Limited 90 Day Warranty
Specifications
Compatibility - Most Holley Performance Carburetors
Flow Type - High Flow
Adjustable - Yes
Seat Size - 0.150 Inch
Material - Titanium
Includes Hardware - Yes
Quantity - Single
With a 0.150 Inch seat this needle and seat assembly is about as big as you can get. What’s really trick though is that the needle is made of titanium! this needle design is very responsive to changes in flow rates and has excellent sealing capabilities.
