Porsche SPEEDiagnostix Double Used Oil Testing Kit Standard Turnaround [for US only] 10003 644-542-933-02 Porsche Driver's manual for 1971

Porsche Driver's manual for 1971 911E models as was supplied when the car was new

912 (1965-1968)

and 914-4 (1970-1971) - one retaining hole must be enlarged

Porsche Tire Pressure Sign for 928 (1978-1982) models

Porsche SPEEDiagnostix Double Used Oil Testing Kit Standard Turnaround [for US only] 10003 644-542-933-02 Porsche Driver's manual for 1971Porsche SPEEDiagnostix UOA kits are all inclusive standard or expedited outbound and inbound shipping is included as well as all laboratory processing and reporting. Standard drain sample kit provides results in 5 to 6 business days. The Double Kit includes two bottles with one pre paid shipping label so you can send two samples in at one time, such as a virgin sample of your new engine oil so you have a future reference for how this oil is performing