Holley® 4150 HP® carburetors have no choke tower. The main body uses a radiused air entry. The carburetor identification number on the HP series are stamped into the linkage side of the main body. Listed are all of the currently available Holley® HP® carburetor factory specs. This will, provide you a baseline as to how your carb started out. Many of these parts are available on our website. Along with many other genuine Holley® and BLP manufactured items to get the most of your carbureted applications.

80507, 80507-1, 80507-2 390cfm
Pri. Main jets 65.
Sec. Main jets 65.
Power valve secondary 3.5.
Pri- Sec pump nozzle 025.

80540, 80540-1 600cfm
Pri. Main jets 70.
Sec. Main jets 70.
Power valve 6.5.
Pri. Nozzle 028.
Sec. Nozzle 029.

80541, 80541-1 650cfm
Pri. Main jets 70.
Sec. Main jets 70.
Power valve 6.5.
Pri. Nozzle 028.
Sec. Nozzle 029.

80528 750cfm
Pri. Main jets 72,
Sec. Main jets 84
Power valve 6.5
Pri. – Sec. Nozzle 031

80528-1 750cfm
Pri. Main jets 73.
Sec. Main jets 73.
Power valve 6.5.
Pri. – Sec. Nozzle 031.

80535 750cfm Alcohol
Pri. Main jets 132.
Sec. Main jets 132.
Power valve 5.5.
Pri. – Sec. Nozzle 045.
80535-1 750cfm Alcohol
Pri. Main jets 144.
Sec. Main jets 144.
Power valve 5.5.
Pri. –Sec. Nozzle 045.

80509, 80509-1 830cfm
Pri. Main jets 86.
Sec. Main jets 86.
Power valve 6.5.
Pri. Nozzle 028
Sec. Nozzle 029

80511, 80511-1 830cfm
Pri. Main jets 84,
Sec. Main jets 84,
Power valve 6.5.
Pri. Nozzle 028.
Sec. Nozzle 029.

80496, 80496-1 950cfm
Pri. Main jets 78.
Sec. Main jets 78.
Power valve 6.5.
Pri. – Sec. Nozzle 031.

80498, 80498-1 950cfm Alcohol
Primary main jets 144.
Secondary main jets 144.
Power valve 5.5.
Pri. – Sec. Nozzle 055.

80513, 80513-1 1000cfm
Pri. Main jets 84.
Sec. Main jets 84.
Power valve 6.5.
Pri. Nozzle 031.
Sec. Nozzle 036.

80514, 80514-1 1000cfm
Pri. Main jets 84.
Sec. Main jets 88.
Power valve 6.5.
Primary Nozzle 031.
Sec. Nozzle 036.

80575 600cfm Supercharged
Primary main jets 73,
Secondary main jets 73,
Power valve 10.5,
Pri. – Sec. Nozzle 029

80576 750cfm Supercharged
Pri. Main jets 76,
Sec. Main jets 87,
Power valve 10.5.
Pri. – Sec. Nozzle 031.


80577 950cfm Supercharged
Pri. Main jets 80.
Sec. Main jets 86.
Power valve 10.5.
Pri. –Sec. Nozzle 031.

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