I recently purchased a pickup with this manifold. It came with the truck, but I am not really interested in putting it on at the moment. I have seen these go for as high as 229.99 and as low as 187.99 new. My buddy is a mechanic and he says its in great condition, all threads are good and no damage whatsoever. I myself am not a mechanic, so I really cant answer what engines this manifold is compatible with. Below is from a performance website describing it. Weiand 8016 Stealth Intake Manifold STEALTH SERIES: WEIAND top-of-the-line dual plane manifold combines the low-end throttle response of a 180-degree design with the top-end power youd expect of a single plane. Extensive dynamometer testing confirms that Stealth is the ultimate dual plane on the market, with a power range from idle through 6800 RPM. Best suited for engines that are 350-400ci. displacement. Features: High Rise Dual Plane Design;Square Carburetor Mounting Flange;No EGR provisions;Lunati Cam/Lifter Kit Available;Power band: Idle-6800 RPM;Height: Front 4.18", Rear 4.50";Port Size: 1.87 height 1.15" width Installation Notes: HEI will clear. Alternator bracket may require modification
I will accept paypal or a money order or check, which will have to clear first. Will ship to you for costs only and can provide pictures

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looks like a regular intake manifold to me....