Direct throttle body replacements for downdraft IDA 3C carburetors as fitted to early Porsche 911, Ferrari 512 and Lamborghini models, available with 40mm, 44mm and 46mm bores. The barrel centers are at 94mm and the overall height is 123.5mm. The manifold mounting flange is identical to the flange on the Weber IDA 3C. The air filter flange differs from the carburetor in that it uses 6mm studs which are 1mm further apart than the carburetor. Each barrel has an air by-pass screw. MAP sensor ports are provided on both units. There are integral mounts for the fuel rails which are supplied with the unit, as are AN-6 flare fittings. The TPS unit incorporates a shaft with a single 5/16 ” D-drive and mounting pad for adding Borla Induction 206288 throttle position sensor. Air horns 50mm tall are included, with optional 35mm, 75mm and 100mm heights available.