40=Jet Size. Fits All Holley Model 4150 HP™ & 4500 Dominator® Carburetors with Screw-In Air Bleeds. Replaceable Air Bleed - Size 40 126-40-10. 40=Jet Size. #10-32 UNF Tread Size.
Holley 126-33-10 Replaceable Air Bleed - Size 33
Holley 126-36-10 Replaceable Air Bleed - Size 36
126-40-10 Replaceable Air Bleed - Size 40
Stromberg 97/Holley 94 Carb Air Intake Scoop, 2-5/8 ID - 2 PK
Holley/Ford Thick Air Cleaner Gasket 3 x 2 Carburetors D-Shaped Set of 3
Holley Thick Rubber Air Cleaner Gasket 3 x 2 Carburetors D-Shaped Set Of Three.
