Genuine GM OEM LS3 EFI Intake Manifold - GM Part Number 12686561
Rectangular Port
Perfect for your LS swap when hood clearance is a concern! The GM LS3 intake is one of the highest flowing OEM low profile "car style" intakes available. Originally found on LS3 Camaro, Corvette and G8 applications, this intake has grown highly popular for high performance LS swap and hotrod build applications. Perfect for converting that junkyard "truck-style" ls engine over to the "car-style" low profile intake for your build!
Fitment:
Fits Rectangular Port (LS3 style) cylinder heads commonly found on engines like the L76, L92, LY6, L96, L99, LS3, etc. Common OEM casting numbers for the rectangular port style cylinder heads are 716, 821, 823, 863, 2716, 5364, etc.
Includes:
- OEM GM LS3 Intake Manifold
- Intake Runner Port Seals
- Throttle Body Seal
Compatible with 4-bolt style LS throttle bodies such as the GM "Gold Blade" LS3 throttle body part number 12605109 available HERE. Can also be used with 4 bolt style cable actuated throttle bodies, but a cable bracket solution must be made or a universal cable bracket that mounts behind the throttle body must be used (no OEM cable bracket provisions present on this intake).