This page includes all of the checkweight and checkballs that we carry and their common uses. If you are ever in doubt, compare the material and diameter size of the existing part to the replacement.
Don’t see your carburetor on the list? LET US KNOW!
- Holley 1940 (you can use an extra checkball in place of the weight if your weight is missing)
- 1904 & 1920 Holleys this check ball is used on the flat spot of the round accelerator pump diaphragm, under the sleeve.
- Holley 4000 – fits in the pump well.
- Aisan
- Stromberg WW/WWC – goes under the discharge screw
- Stromberg BX
- Carter YF – main discharge
- Autolite Ford Motorcraft 4100 – secondary check ball
- Rochester B – power valve
- Rochester 4G
- Rochester 4G
- Rochester B: pump inlet ball
- Rochester 2G: bottom of pump well
- Carter YF
- Carter YH
- Holley 2300
- Edelbrock – pump check (discharge)
- Holley 1904 vacuum check
- Holley 4000 (under bottom of carburetor, remove brass screw to access)
- Rochester B pump discharge ball
- Autolite 4100, 2100, 2150: discharge, under the primary venturi screw
- Rochester 4G
- Rochester 2G: main discharge
- Stromberg AAV
17-16-2: .14″ square x .538″ long
- Carter AFB
- Carter WCFB
- Carter WGD
- Carter WCD
- Carter AFB & AVS, but keep in mind that these 2 carburetors used 3 different check weights. This is the smallest of the three.
- Carter WCFB
- Carter WGD
- Carter WCD
- Carter YF, YFA
17-67 (used with a checkball)
- Carter YF, YFA
- Edelbrock
- Weber
54-7: 0.17″ square x 0.7″ long
- Holley 94, 2100, 2110 & Ford AA-1
- Rochester 4G, 4GC, 4 barrel carburetor
- Autolite 1100
- Holley pump discharge weight
- Carter Thermoquad, TQ
- Carter WCFB
- Autolite 4100
- Motorcraft 2150
- Autolite 2100
- Carter W-0
- Carter W-1
- Carter YF, YFA
53-73 Intake Check Assembly 5/16″ – 24 thread
- Carter AFB
- Stromberg 97
- Stromberg 81