Very high quality German made camshaft Porsche 356 Pre A 1500S-Sport models without gear wheel. The gearwheel can be used from the younger type engine. This camshaft is special made for the 2 piece crankcase with the 28 mm axial bearing. This camshaft is not for the Pre A with the 3 piece crankcase. Made to the original specifications for the 1500S Sport engine. It is CNC machined and laser cut. This camshaft has a higher lift at the cam than the stock 1500S cam. This camshaft can be used for a 1500N engine. Make sure the compression ratio is at least 8.2:11500S Sport:lift at cam: 8,23 mmspread: 108open at 0,51 mmcam: 277open at 1,27 mmcam: 251open at 2,54 mmcam: 223open at 7,62 mmcam: 72Part #: POR-356-473