This is the only cast-iron intake that came on a production vehicle that will mount a Holley 4 barrel carburetor without an adapter plate. No longer available new, this unique manifold carries casting number 3872783. It is actually a 2 barrel manifold internally with a 4 barrel plenum area. Recommended when rules allow Holley 4 barrel carb without an adapter plate. These "Holley Type" cast iron intake manifold are hard to find and our supply is limited.
When available, we offer this intake in all stages of modification, and we can also modify your manifold.
| Part # | Description | Price |
| 406S1 | Stage 1 Holley intake | $695.00 |
| 406 | Fully Modified Holley intake | 990.00 |
| 406XXXX | Acid Ported Holley intake | 695.00 |
| 105 | Carb adapter for Holley 2 barrel | 69.50 |
| 102-105 | Carb adapter for Rochester 2 barrel | 83.00 |
| 111 | Carb spacer for Holley 4 barrel | 52.50 |
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