Preston fell behind in the 35th minute when, after a long spell of Preston dominance, Paul Di Giacomo embarked on a mazy run.
Collecting the ball midway into the Preston half, he beat three defenders and fired a left-footed strike low past Andrew Lonergan.
Paul Simpson's Coca-Cola Championship side hit back, however, against opponents from the Bank of Scotland Premier League, even if it was not all their work.
Simon Whaley's cross from the right flank was directed towards striker David Nugent, but Frazer Wright smashed the ball into his own net for a leveller in the 56th minute.
It was always going to be a draw despite Wales going close and substitute Grant Murray heading against the visitors’ bar in the final act.
Kilmarnock: Smith, Greer, Hay (G Murray, 80), Fowler, Lilley, Wright, Naismith (Leven, 46), Johnston (Barrowman, 76), Di Giacomo (S Murray, 76), Nish (Wales, 61), Invincible (Dodds, 76).
Subs not used: Logan, Locke.
Sandy's match Pic's are - Here