Short Dual Side Draft Manifolds for the Opel GT. Fits 1.5L, 1.9L and 2.0L CIH cylinder heads. Includes a special thermostat housing to clear the manifolds. All related hardware like the shouldered carburetor mounting studs with ny-lock nuts, Weber soft mounts and all related hardware to mount the thermostat housing to the head. A good fit with our "Shorty" Header PN10023SS or 4 into 1 Header PN 10024ss. These manifolds are the perfect size to allow you to run air filters with out cutting out and modifying your Opel GT Heater box. Works with any Carburetor or EFI Throttle body that has the Weber DCOE bolt pattern. Works on either the 40 to 45 DCOE throttle plate sizes. Note: The genuine Weber soft mounts provide the best performance and vibration damping. They also feature special spring washers to achieve this result.