Holley Carburetor Main Jets are made of brass and have a 1/4"-32 Unified Fine Thread. We have been in the carburetor since the 1940s and we have an extensive inventory of carburetor component parts that might be otherwise hard to find.
2 PACK HOLLEY CARBURETOR POWER VALVE 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 GASKET
2 PACK HOLLEY CARBURETOR 30CC ACCELERATOR PUMP DIAPHRAGM ALCOHOL RESISTANT
2 PACK HOLLEY CARBURETOR 50CC ACCELERATOR PUMP DIAPHRAGM GFLT RUBBER ALCOHOL
2 PACK HOLLEY CARBURETOR FUEL BOWL INLET FITTING 7/8"-20 FITS 3/8" LINE 26-26
2 PACK HOLLEY CARBURETOR ACCELERATOR PUMP CUPS 1940-4360 MODELS 23/32" OD