Holley Holley Adjustable Inlet Needle & Seat - Viton HO6-504 Fuel Cell Accessories Intake valve diameter: 2

Intake valve diameter: 2

constant power and ground connections required)

Universal Fabricated Alloy Radiator Overflow Tank

TheseECV is for use with turbocharged vehicles and willopen the exhaust valve when boost reaches roughly 6-7 psi

Holley Holley Adjustable Inlet Needle & Seat - Viton HO6-504 Fuel Cell Accessories Intake valve diameter: 2Holley Adjustable Inlet Needle & Seat VitonSize 0. 110" Brand: HOLLEY Part Number: HO6 504 Description: Most Holley performance carburettors come equipped with a Viton tipped needle. The Viton needle design is resistant to dirt and conforms nicely to the shape of the seat for superior sealing. For this reason it is not recommended to use a steel or titanium needle, except for racing.