Sylvester appears once in the Israeli foreign-music chart archive (1979). Their highest position was #16. Best performer: You Make Me Feel (Mighty Real) (peak #16, 9 weeks on chart).
| Peak | Song | Entered | Wks | Annual |
|---|---|---|---|---|
| 16 | You Make Me Feel (Mighty Real) | 21 Jan 1979 | 9 | – |