PORSCHE RACING HISTORYHenk van Zalinge (NL)
1964 : Le Mans 24 Hours - 2nd in class
22 June 1964 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 904 GTS | 904-055 | GT2.0 | Ben Pon (NL)/Henk van Zalinge (NL) | Racing Team Holland | 8th | 2nd | 28th | 319 laps |
5 July 1964 - Reims 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 40 | Porsche 904 GTS | 904-023 | GT2.0 | Henk van Zalinge (NL)/David van Lennep (NL) | Racing Team Holland (NL) | 15th | 7th | 28th | 260 laps |