SB Chevy Vortec High Rise Intake Manifold
MANIFOLD
Part #
12366573
Price: $340.00
Quantity:
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This dual-plane was designed for 283-400 ci small-block Chevrolet engines
using the new vortec cylinder heads P/N 12464298 (bare) or 12558060 (complete). This high rise manifold was designed for maximum horsepower and a broad torque curve to give you great performance. This manifold accepts square bore (Holley design) carburetor and includes externally plumbed hot water crossover passage.

Technical Note: Vortec heads were released on 1996 RPO L31 truck engines. This manifold only has four bolts attaching it to the cylinder head instead of six like all earlier models. Check for proper to carburetor clearance, especially on Corvettes. Use manifold gasket P/N 12529094 and (8) attachment bolts P/N 12550027.
Carburetor Flange: Square Bore


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