Holley - 6-521
Needle and Seat - Adjustable - 0.150 Orifice - Titanium - Holley Carburetors - Each
Inlet Needle Titanium; Seat Size 0.15 in.;
With a .150 in. seat, this needle and seat assembly is about as big as you can get. Whats 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.
- Adjustable
- Titanium Needle
- Compatible With Racing Fuels