Holley Flathead Carburetor Adapter
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Q & A (6)
What's in the Box
Adapts standard Edelbrock or Holley 4 barrel carb to the smaller '50s WCFB bolt pattern manifold.
This carb adapter includes gaskets for both top and bottom sides as well as mounting hardware.
- Bore size is 1.5" on the small side and tapers to 1.685" on the large side.
- Smaller Inner Bolt Pattern:
- Side to side is 3-3/4" center to center
- Front to rear is 3-7/8" center to center
- Outer Bolt Pattern:
- Side to side on inner pattern is 4-1/4" center to center
- Side to side on outer pattern is 5-1/8" center to center
- Front to rear is 5-5/8" center to center