| MSD's Atomic AirForce Intake Manifold improves airflow and distribution for increased stock and modified engine performance. The polymer-molded 2-piece design of the bell-mouthed runner entrances allow for easy access to the runners for porting. The intake accepts an OEM or 103mm throttle body and stock, aftermarket, or Atomic LS EFI fuel rails. The intake includes new gaskets and hardware for easy bolt-on installation.
Features
•Gains of 36 HP & 16 lbs.-ft.
•Polymer resists heat & minimizes weight
•Optimized runner design created from fluid dynamic modeling
•103mm throttle bore accepts OEM and aftermarket throttle bodies
•Uniform air distribution to each cylinder
•Accepts stock, aftermarket, or Atomic LS EFI fuel rails
•Molded bosses for nitrous injectors
•2-piece design for easy access to the runners for porting
•Simple bolt-on installation
LS1/LS6 requires a 3-bolt throttle body adapter 121-2709 when using an OE throttle body
Image is a representation, actual product may vary. | 
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