Holley #122-99 Carburetor Jets, Gasoline, Holley Number 99, Hole Size .126 in., Pair. H19-12299 Description:Holley offers many different sizes of these standard main jets so you can fine tune your carburetor for street or race use. Threaded with the standard 1/4-32 in. thread, they are manufactured to very high tolerances for tuning consistency.
Holley #122-99 Carburetor Jets, Gasoline, Holley Number 99, Hole Size .126 in., Pair.
H19-12299