Dual-Plane Intake Manifold - 12366573
Designed for 283-400-cubic inch engines using Vortec cylinder heads P/N 12691728, P/N 19431662, P/N 19431663, P/N 19331470 or P/N 19331472|Has 4 bolts per side to attach it to these cylinder heads|Aluminum high-rise design maximizes horsepower and delivers a broad torque curve|Accepts a square-bore 4150-style carburetor and includes externally plumbed hot water crossover passage|Use manifold gasket P/N 89017465 and 8 attachment bolts, P/N 12550027|NOTE: Vortec heads were originally released on 1996-1999 truck engines. Check for hood clearance, especially with Corevette.|NOTE: Open Carburetor space is not recommended for use with dual-plane intake manifolds.
- Aluminum high-rise design maximizes horsepower and delivers a broad torque curve
- Square bore
- Evenly distributes the combustion mixture (or air in a direct injection engine) to each intake port in the cylinder head
Additional Attributes
Designed for 283-400-cubic inch engines using Vortec cylinder heads P/N 12691728, P/N 19431662, P/N 19431663, P/N 19331470 or P/N 19331472|Has 4 bolts per side to attach it to these cylinder heads|Aluminum high-rise design maximizes horsepower and delivers a broad torque curve|Accepts a square-bore 4150-style carburetor and includes externally plumbed hot water crossover passage|Use manifold gasket P/N 89017465 and 8 attachment bolts, P/N 12550027|NOTE: Vortec heads were originally released on 1996-1999 truck engines. Check for hood clearance, especially with Corevette.|NOTE: Open Carburetor space is not recommended for use with dual-plane intake manifolds.
- Aluminum high-rise design maximizes horsepower and delivers a broad torque curve
- Square bore
- Evenly distributes the combustion mixture (or air in a direct injection engine) to each intake port in the cylinder head
Additional Attributes
| Type: | |
|---|---|
| Vendor: | |
| SKU: |
12366573 |
| Weight: |
18.8 lb |