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Ships Between 8/20 - 8/22
- Part Size:Ford Big Block V8
- Style:429-460 c.i.d. (1968-1972)
- Part #:21663
- Idle-5500 rpm
- Dual-plane design
- Accepts square-bore carburetors only - Does not accept spread-bore carburetors
- Manifold height: A-4.75 in., B-4.49 in. (same as factory)
- Carburetor pad height: 4.12 in.
- Port exit dimensions: 1.65 in. x 1.96 in.
- Designed to fit: 1968-1972 429-460 c.i.d. V8 engines, with OEM 4-bbl. Carburetor & electric choke
- CARB/street legal stock replacement part on:
- 1968-1972 429-460, with OEM 4-bbl. carb
- 1973 non-California
- Except stock equipped EGR
- Carburetor recommendations:
- Edelbrock Thunder Series AVS (650-800 cfm)
- Edelbrock Performer Series (650-800 cfm)
- Vehicles with automatic transmission use Edelbrock part # 1483 & 1495 or 1844 & 1848
- Gasket recommendation: Fel-Pro part # MS96018
- Does not fit 1988 & later models
- View installation instructions (PDF)
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