Porsche SPEEDiagnostix Double Used Oil Testing Kit Standard Turnaround [for US only] 10003 644-542-933-02 and 914-4 (1970-1971) - one

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

Chrome fog light horn grille fits Porsche 914 models from 1970 to 1974

Measures 23mm

5mm) for 930 (1976-1989) and 911 Turbo (1990-1992) models

Porsche SPEEDiagnostix Double Used Oil Testing Kit Standard Turnaround [for US only] 10003 644-542-933-02 and 914-4 (1970-1971) - onePorsche 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