31=Jet Size. Fits All Holley Model 4150 HP™ & 4500 Dominator® Carburetors with Screw-In Air Bleeds.
Holley 126-71-10 Replaceable Air Bleed-Size 71
Holley Performance 126-23-10 Replaceable Air Bleed
Air Bleed, Nitro Race Funnycar, Dragster, Chev, 392, 426 Hemi Custom Air Bleed
QUICK FUEL AIR BLEED ASST.# 36-45-RACING-DIRT LATE MODEL-K&N-OVAL-TRUCKS-NEW !
Holley Press Fit Replacement Air Bleed Restrictor - Four Pack.
BR-67245 Air Bleed Assortment Kit .025" - .035"
