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- Part Size:Pontiac V8
- Style:326-350-389-400-455 c.i.d.
- Part #:21563
- Idle-5500 rpm
- Dual-plane design
- Accepts spread-bore & square-bore carburetors
- Manifold height: A-5.50 in., B-6.60 in.
- Port exit dimensions: 1.06 in. x 1.92 in.
- Designed to fit: 1966-1972 326-350-389-400-455 c.i.d. V8 engines, with OEM 4-bbl. carburetor
- CARB/street legal stock replacement part on:
- 1966-1972 326-350-389-400-455 with OEM 4-bbl. carb
- 1973 non-California
- Except stock equipped EGR
- Carburetor recommendations: OEM 4-bbl.
- Gasket recommendation: Edelbrock part # 7280
- View installation instructions (PDF)
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