0000080255-00-000111 SC 13G 1 20000204 0000080248 PRICE T ROWE ASSOCIATES INC /MD/ T. ROWE PRICE NEW HORIZONS FUND, INC, CSK AUTO CORP 0001051848 5531 860765797 DE 0131 SC 13G 34 005-55039 523781 645 E MISSOURI AVENUE PHOENIX AZ 85012 6022659200 645 E MISSOURI AVENUE PHOENIX AZ 85012 PRICE T ROWE ASSOCIATES INC /MD/ 0000080255 6200 520556948 MD 1231 SC 13G 100 EAST PRATT ST BALTIMORE MD 21202 (410)345- P.O. BOX 89000 BALTIMORE MD 21289 SC 13G 1 000008025500000111-001-seq1-sc-13g.txt SC 13G