The 1.6-liter 616/2 flat-four is stamped *87313* and was rebuilt by Zuffenhausen Auto with a line-bored case, additional machine work, and a valve job.Twin Weber carburetors are topped by aftermarket air cleaners.The electrical system has been converted to 12 volts.Replacement black lap belts were installed in 2017, and a set of fitted calico Coco mats has also been added.A Pioneer stereo mounted in the glovebox feeds aftermarket speakers in the kick panels, while a blanking plate covers the factory radio location.The aftermarket wood-rimmed steering wheel with a Porsche crest horn button frames green-lettered VDO instrumentation including a central tachometer, a 120-mph speedometer, and a five-digit odometer showing 12k miles.Actual mileage is unknown.