New push-rod tubes are often overlooked when ordering parts to rebuild an engine. Or newcomers to VW engine overhauling try to reuse the old and rusted original tubes. This is a huge mistake, and a sure way to have engine oil leaks before you get out of the driveway. We sell only the finest quality replace push-rod tubes available to help make your engine rebuild a success. For all stock or modified aircooled engines 1300cc to 1600cc type 1 / Beetle style engines.