Davies struck in the 8th minute, latching onto a Sam Blowers flick from a corner.
Horley levelled just after the half hour when Tate Greenaway bundled the ball home from close range after SCR had failed to deal with a long throw.
Young debutant keeper Ollie Ellaway pulled off a tremendous save away to his left in the second half, and Danny Fernandez saw a late header hooked off the line by Horley skipper Adam Pullin
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