12366573 Designed for 283–400-cubic-inch engines using Vortec cylinder heads P/N 12464298 or 12558060. This manifold only has four bolts per side to attach it to these cylinder heads. High-rise design maximizes horsepower and delivers a broad torque curve

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P/N 12366573 Intake Manifold, Vortec Head Design

12366573 Designed for 283–400-cubic-inch engines using Vortec cylinder heads P/N 12464298 or 12558060. This manifold only has four bolts per side to attach it to these cylinder heads. High-rise design maximizes horsepower and delivers a broad torque curve

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List Price: $429.68
Superior Price: $378.11
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Product Code: 12366573

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Description

Technical Specs

Extended Information

Designed for 283–400-cubic-inch engines using Vortec cylinder heads P/N 12464298 or 12558060. This manifold only has four bolts per side to attach it to these cylinder heads. High-rise design maximizes horsepower and delivers a broad torque curve. It accepts a square-bore 4150-style carburetor and includes externally plumbed hot water crossover passage. Use manifold gasket P/N 12529094 and eight attachment bolts, P/N 12550027.

Features

GMPP’s wide range of intake manifolds offers enthusiasts everything from mild street performance to all-out competition applications—even fuel injection! Best of all, every GMPP intake design has been tested to deliver optimal performance for GM engines.

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