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Carburetor Jets, Standard Main, Gasoline, Number 40, Jet Size 0.0400 in., Brass, 1/4 in.-32 Thread, Pair
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Estimated Ship Date: Monday 4/6/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
122-40
Part Type:
Product Line:
Summit Racing Part Number:
HLY-122-40
UPC:
090127021101
Jet Fuel Type:
Gasoline
Jet Size:
40
Jet Drill Size (in.):
0.0400 in.
Jet Material:
Brass
Thread Size:
1/4 in.-32
Quantity:
Sold as a pair.
Special Attention:
Not for use with carburetors originally designed for alcohol.
Holley Standard Main Jets
Holley standard main jets are just what you need to fine-tune your carburetor for street or race performance. Threaded for easy installation and removal, they manufacture these brass jets to high tolerances for consistency. They're available in dozens of jet and jet drill sizes for precise fitment on countless gasoline-fueled vehicles. When considering replacement parts for your carburetor, trust the expertise of Holley.
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Some parts are not legal for use in California or other states with similar laws / regulations
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