Autolite 4100 4 Barrel Main Metering Jets
Our Autolite 4100 metering jets are the best quality that can be purchased.
120-4 jets have a 5/16" diameter thread and are used on 1964 and later models
120-40 jets have a 1/4" diameter thread and are used on 1963 and earlier models.
Both jets are available on this page, use the third digit to denote the orifice size: 120-4-43 is a .043 orifice.
In Stock
1/4" thread Custom Assortment. You choose 8 different sizes.
Part Number 120-40A
(1)
$55.00
In Stock
5/16" thread 1100, 1101, 2100, 2150, 4100, 4300 4350
Part Number 120-4A
(7)
$55.00
In Stock
5/16" x .040"
Part Number 120-4-40
(3)
$5.25
In Stock
1/4" x .040"
Part Number 120-40-40
$5.95
In Stock
1/4" x .041"
Part Number 120-40-41
$5.95
In Stock
1/4" x .042"
Part Number 120-40-42
$5.95
In Stock
5/16" x .042"
Part Number 120-4-42
(1)
$5.25
In Stock
5/16" x .043"
Part Number 120-4-43
(2)
$5.25
In Stock
1/4" x .043"
Part Number 120-40-43
$5.95
In Stock
1/4" x .044"
Part Number 120-40-44
$5.95
In Stock
5/16" x .044"
Part Number 120-4-44
(2)
$5.25
In Stock
5/16" x .045"
Part Number 120-4-45
(1)
$5.25
In Stock
5/16" x .046"
Part Number 120-4-46
$5.25
In Stock
5/16" x .047"
Part Number 120-4-47
(2)
$5.25
In Stock
1/4" x .047"
Part Number 120-40-47
$5.95
In Stock
5/16" x .048"
Part Number 120-4-48
$5.25
In Stock
5/16" x .049"
Part Number 120-4-49
(1)
$5.25
In Stock
1/4" x .049"
Part Number 120-40-49
$5.95
In Stock
1/4" x .050"
Part Number 120-40-50
$5.95
In Stock
5/16" x .050"
Part Number 120-4-50
(6)
$5.25
In Stock
5/16" x .051"
Part Number 120-4-51
(1)
$5.25
In Stock
1/4" x .051"
Part Number 120-40-51
$5.95
In Stock
1/4" x .052"
Part Number 120-40-52
(1)
$5.95
In Stock
5/16" x .052". Motorcraft main jets, 1100, 1101, 2100, 2150, 4100, 4300, 4350
Part Number 120-4-52
(4)
$5.25
In Stock
5/16" x .053"
Part Number 120-4-53
$5.25
In Stock
1/4" x .053"
Part Number 120-40-53
(1)
$5.95
In Stock
5/16" x .054"
Part Number 120-4-54
(1)
$5.25
In Stock
1/4" x 054"
Part Number 120-40-54
(1)
$5.95