4776 600cfm
Primary main jets 69
Secondary main jets 71
Power Valve 6.5
Primary Sq. Nozzle .025
Secondary Sq. Nozzle .032

4776 (-1 -2) 600cfm
Primary Main Jets 66
Secondary Main Jets 76
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .032

4776 (-3 -4 -5 -6 -7) 600cfm
Primary Main Jets 66
Secondary Main Jets 73
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .032

4777 650cfm
Primary Main Jets 71
Secondary Main Jets 76
Power Valve 6.5
Primary Sq. Nozzle .025
Secondary Sq. Nozzle .025

4777 (-1 -2) 650cfm
Primary Main Jets 67
Secondary Main Jets 76
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .028

4777 (-3 -4 -5 -6 -7) 650cfm
Primary Main Jets 67
Secondary Main Jets 73
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .028

4778 700cfm
Primary Main Jets 66
Secondary Main Jets 71
Power Valve 6.5
Primary Sq. Nozzle .025
Secondary Sq. Nozzle .032

4778 (-1 -2) 700cfm
Primary Main Jets 66
Secondary Main Jets 76
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4778 (-3 -4 -5 -6 -7) 700cfm
Primary Main Jets 69
Secondary Main Jets 78
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4779 750cfm
Primary Main Jets 75
Secondary Main Jets 76
Power Valve 8.5
Primary Sq. Nozzle .025
Secondary Sq. Nozzle .032

4779 (-1 -2) 750cfm
Primary Main Jets 70
Secondary Main Jets 80
Power Valve 8.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4779 (-3) 750cfm
Primary Main Jets 70
Secondary Main Jets 73
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4779 (-4 -5) 750cfm
Primary Main Jets 70
Secondary Main Jets 80
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4779 (-6 -7 -8 -9) 750cfm
Primary Main Jets 71
Secondary Main Jets 80
Power Valve 6.5
Primary Sq. Nozzle .028
Secondary Sq. Nozzle .031

4780, (-1) 800cfm
Primary Main Jets 72
Secondary main jets 76
Pri. Power Valve 6.5
Sec. Power Valve 8.5
Primary Sq. Nozzle .031
Secondary Sq. Nozzle .031

4780-2 800cfm
Primary Main Jets 70
Secondary Main Jets 85
Pri. Power Valve 6.5
Primary Sq. Nozzle .031,
Secondary Sq. Nozzle.031

4780 (-3 -4 -5 -6 -7) 800cfm
Primary main jets 71
Secondary main jets 85
Pri. Power Valve 6.5
Primary Sq. Nozzle .031
Secondary Sq. Nozzle .031

4781 850cfm
Primary Main Jets 80,
Secondary Main Jets 80,
Sec. Power Valve 6.5
Primary Sq. Nozzle .031
Secondary Sq. Nozzle .025

4781 (-1 -2 ) 850cfm
Primary Main Jets 80
Secondary Main Jets 80
Sec. Power Valve 6.5
Primary Sq. Nozzle .031
Secondary Sq. Nozzle .031

4781 (-3 -4 -5 -6 -7 -8) 850cfm
Primary Main Jets 80
Secondary Main Jets 78
Sec. Power Valve 6.5
Primary Sq. Nozzle .031
Secondary Sq. Nozzle .031