Holley Carburetor Needle and Seat 6-521;

$49.82

Part #: 6-521

Brand: Holley

UPC: 090127465738

Estimated Ship Date: 6/10/2025 (From manufacturer)

Specifications

This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.

Details

  • Adjustable
  • Titanium Needle
  • Compatible With Racing Fuels

Product Description

With a .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.