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1920

The Holley 1920 carburetor is a one barrel downdraft carburetor with an aluminum throttle body, zinc float bowl and metering body. Some 1920 carburetors had a glass float bowl and the glass and zinc float bowls are interchangeable. The metering block contains the main metering jet and accelerator pump check valves. The accelerator pump can be a cam operated, or a spring type. The cam type will use an accelerator pump with a flat stem, while the spring type uses a round stem type of pump. The 1920 generally used a Nitrophyl type of float, which should be changed at each rebuild, but unfortunately the 1920 float is no longer being produced.  We do have a NOS 1920 float that fits some of the 1920 carburetors. Holley 1920 float weights.
 
The 1920 carburetor is identified by it's LIST number, which can be found on the top of the main body, just behind the float bowl. Holley carburetor numbers may be listed as R-1185-1A, with 1185 being the list number and generally can be used to identify the correct carburetor kit.

Our catalog includes carburetor kits, floats, thermostats, choke pulloffs and other carburetor related parts.  All parts that we have available can be found in this catalog. We often add new parts, so check back every so often.
Products (Total Items: 19)
Holley Needle & Seat
Part # NS594
Average Rating(3)
$14.95
In Stock
Holley Needle & Seat Assembly
Part # NS525
Average Rating(2)
$9.95
In Stock
Holley 1904 Diaphragm Enrichment Valve
Holley 1904 Enrichment Valve. Fits all 1904 holley carburetors.
Part # 70-6
$9.95
In Stock
Brass Throttle Bushing
ID .375 OD .444
Part # 22-83
Average Rating(2)
$5.95
In Stock
Air Cleaner Adaptor
Part # DPC1
Average Rating(30)
$37.95
In Stock
Stainless Steel Check Ball - 1/8
1/8" steel
Part # 90-21
Average Rating(3)
$0.49
In Stock
Throttle Bushing
ID .312 OD .345
Part # 22-27
Average Rating(1)
$4.95
In Stock
Brass Throttle Bushing
ID .312 OD .345 L .600
Part # 22-51
Average Rating(1)
$4.95
In Stock
Holley 1931 1904 Actuator
1904, 1931
Part # 85-67
Average Rating(22)
$12.50
In Stock
Carter Throttle Arm Swivel Linkage Stud
Part # 22-18B
Average Rating(1)
$9.95
In Stock
Throttle Lever Ball Stud - 9/32 x 10x32
Part # 22-16
Average Rating(1)
$4.95
In Stock
Holley Carburetor Power Valve Assembly
Holley 1909 carburetor power valve assembly.
Part # 54-14
$10.95
In Stock
Holley 1909 1 Barrel Float Pin
OD = .095" Length = 1.366"
Part # 32-5
$4.95
In Stock
Rochester Monojet Air Cleaner Bracket
Part # 85-156
$7.95
DISCONTINUED
Dashpot Assembly
Part # 85-900B
Average Rating(35)
$17.50
Out of Stock
Replacement 1 Barrel Carburetor Dodge & Plymouth Slant 6
Part # N7001
Average Rating(1)
$339.00
In Stock
Holley Float Pin
OD .125" x Length 1.611"
Part # 32-23
$3.95
In Stock
Autolite, Holley, & Motorcraft Hi Performance Main Jet Custom Assortment
1/4" thread Custom Assortment
Part # 120-40A
$45.00
In Stock
Autolite, Holley, & Motorcraft Hi Performance Metering Jets
1/4" thread
Part # 120-40
Average Rating(12)
$5.95
In Stock
Can't find what you need? Contact Us
Rochester 2 Barrel Carburetor Brass Float
Average Rating(89)
$11.95
[availability]
Carter AFB Edelbrock Brass Float
Average Rating(33)
$7.95
[availability]
Mercarb Carburetor Kit
Average Rating(144)
$43.95
[availability]