Intake Manifold – Vortec Head Design (Dual Bolt Pattern)


  • Aluminum manifold with dual-bolt pattern
  • For Vortec cylinder heads
  • Will accept Holley or Quadrajet-style carburetors
  • Will accept an EGR valve
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SKU: 12496820 Categories: ,

Intake Manifold, Vortec Head Design

P/N 12496820

– This dualboltpattern aluminum manifold will work with all Vortec cylinder heads P/N 12529093, P/N 12558060, P/N 19300956, P/N 19300995, P/N 19331470, or P/N 19331472
– Will accept Holley or Quadrajet-style carburetors
– Will accept an EGR valve, P/N 17052693
– To block EGR port, use P/N 12556596
– Requires intake manifold gasket kit P/N 19301685 and 8 special manifold bolts, P/N 12550027

Additional Required Components:

  • Gaskets (1) 89017465
  • Bolts (8) 12550027

Engine Application: 19210009, 19332529, 19210008

Note: Open carburetor spacer is not recommended for use with dual-plane intake manifolds.


Intake Manifold, Vortec Head Design

12496820 Chevrolet Intake Manifold

Dual Pattern Carb Mount

Intake manifolds distribute the air/fuel mixture to the appropriate cylinders. Intake manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your every need. There are cast-iron and aluminum intake manifolds for carbureted and fuel injected applications. Chevrolet Performance intake manifolds were designed specifically for GM engines, so you know they will deliver O.E. performance.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to