Holley Needle and Seat Hardware Kit Adjustable HANS Device Post Anchor Active fuel management control*

Active fuel management control*

Drainplug and Special Pick-Up Tube

Flame moves toward piston and bulk air/fuel mixture - less quenching on cylinder walls

High performance street

Holley Needle and Seat Hardware Kit Adjustable HANS Device Post Anchor Active fuel management control*This Kit contains: 1 EA Adjusting nut with gasket 1 EA Locking screw with gasket 1 EA O ring. For use with Holley externally adjustable needle seat assemblies. Features: Adjustable 1 Each Adjusting Nut w Gasket 1 Each Locking Screw w Gasket 1 Each O RingHolley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI