Holley Non-Adjustable Inlet needle & seat - Viton (HO6-511) 30501-S0164 Part Number: HO37-720

Part Number: HO37-720

Is your combination not producing that much horsepower

TAARKS SR20 Engine / Gearbox Sandwich Plate

7” full-color touchscreen LCD allows easy on-the-fly tuning

Body Height: 4

Holley Non-Adjustable Inlet needle & seat - Viton (HO6-511) 30501-S0164 Part Number: HO37-720HO6 511 . 0785 VITON NEEDLE & SEAT Size 0. 0785" Part Number: HO6 511 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.