General Motors Part Number 12550460. New four barrel GM 4.3L cast iron Vortec intake manifold. Bolts to Vortec GM engine with eight bolts into the heads. Pre-Vortec intake manifolds require 12 bolts into cylinder heads. Increase horsepower from a 2 barrel carburetor and intake with a 4 barrel carburetor and this new GM intake manifold.
Edelbrock Part Number 2516. Aluminum Performance manifold for 5.0L/305ci & 5.7L/350ci Vortec Marine engines. Intake manifold is secured to heads with 8 bolts. This manifold is a perfect performance upgrade for Mercruiser and Volvo engines with both two and four barrel carburetors. Two barrel applications require a carburetor upgrade. Manifold is set up with 4 barrel square bore bolt pattern. Replaces Marine Power 0017-276N11.
Aluminum Performance manifold for 5.0L/305ci & 5.7L/350ci Vortec Marine engines. Intake manifold is secured to heads with 8 bolts. This manifold is a perfect performance upgrade for Mercruiser and Volvo engines with both two and four barrel carburetors. Two barrel applications require a carburetor upgrade. Manifold is set up with 4 barrel square bore bolt pattern. Replaces Marine Power 0017-275N11.
Cast Iron Marine Intake Manifold for 5.0/5.7 Vortec Engines with 8 intake bolts. Dual plane for 4 bbl carburetors. Replacement manifold for the No-Longer-Available Mercruiser 17618T manifold
Chevrolet Performance 14097092 - Chevrolet Performance Big Block Chevy Carbureted Intake Manifold. Oval Port and Dual Plane. This iron big-block 4 Barrel manifold will fit all 396/502ci engines with large oval port heads.