TA Technix intake manifold for conversion to twin carburettor systems or to single thRödtle bodies (DCOE) suitable for Opel 1.6-2.0l-V CIH engines Long version (approx. 110mm), scope of delivery does not include any mounting material Diameter at carburetor base: 40mm for example: Opel Ascona A+B / Manta Kadett C / Opel GT