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Holley

Holley Standard Main Jets

4.89 out of 5 stars 199 Customer Reviews

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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Holley Standard Main Jets 122-70

Holley Standard Main Jets 122-70

Holley Standard Main Jets 122-70

Carburetor Jets, Standard Main, Gasoline, Number 70, Jet Size 0.0735 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-70

5.0 out of 5 stars ( 10 )

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Holley Standard Main Jets 122-72

Holley Standard Main Jets 122-72

Holley Standard Main Jets 122-72

Carburetor Jets, Standard Main, Gasoline, Number 72, Jet Size 0.0755 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-72

4.7 out of 5 stars ( 10 )

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Holley Standard Main Jets 122-74

Holley Standard Main Jets 122-74

Holley Standard Main Jets 122-74

Carburetor Jets, Standard Main, Gasoline, Number 74, Jet Size 0.0800 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-74

5.0 out of 5 stars ( 2 )

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Holley Standard Main Jets 122-78

Holley Standard Main Jets 122-78

Holley Standard Main Jets 122-78

Carburetor Jets, Standard Main, Gasoline, Number 78, Jet Size 0.0890 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-78

5.0 out of 5 stars ( 3 )

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Holley Standard Main Jets 122-76

Holley Standard Main Jets 122-76

Holley Standard Main Jets 122-76

Carburetor Jets, Standard Main, Gasoline, Number 76, Jet Size 0.0840 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-76

4.88 out of 5 stars ( 8 )

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Holley Standard Main Jets 122-66

Holley Standard Main Jets 122-66

Holley Standard Main Jets 122-66

Carburetor Jets, Standard Main, Gasoline, Number 66, Jet Size 0.0660 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-66

5.0 out of 5 stars ( 10 )

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Holley Standard Main Jets 122-64

Holley Standard Main Jets 122-64

Holley Standard Main Jets 122-64

Carburetor Jets, Standard Main, Gasoline, Number 64, Jet Size 0.0640 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-64

4.11 out of 5 stars ( 9 )

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