<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<C>
<PERIOD-TYPE>                   YEAR                   YEAR                   3-MOS                   3-MOS
3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1995             DEC-31-1996             DEC-31-1996
             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1995             JAN-01-1996             APR-01-1996
             JUL-01-1996
<PERIOD-END>                               DEC-31-1996             DEC-31-1995             MAR-31-1996             JUN-30-1996
             SEP-30-1996
<CASH>                                           9,699                   3,048                   2,305                   2,779
                   3,163
<SECURITIES>                                         0                       0                       0                       0
                       0
<RECEIVABLES>                                   22,974                  26,023                  27,517                  26,297
                  27,609
<ALLOWANCES>                                       979                   1,234                     972                   1,003
                   1,138
<INVENTORY>                                     32,638                  27,041                  28,399                  32,725
                  34,183
<CURRENT-ASSETS>                                68,188                  58,430                  60,951                  65,705
                  67,665
<PP&E>                                          66,450                  55,587                  56,012                  60,394
                  63,594
<DEPRECIATION>                                   9,155                   4,639                   5,619                   6,620
                   7,766
<TOTAL-ASSETS>                                 157,176                 137,584                 141,069                 147,658
                 152,501
<CURRENT-LIABILITIES>                           24,024                  50,442                  54,454                  64,276
                  69,790
<BONDS>                                        115,113                  71,225                  70,408                  60,255
                  59,642
<PREFERRED-MANDATORY>                                0                       0                       0                       0
                       0
<PREFERRED>                                          0                       0                       0                       0
                       0
<COMMON>                                         3,124                   3,124                   3,124                   3,124
                   3,124
<OTHER-SE>                                       8,112                   3,938                   4,127                  10,958
                  10,791
<TOTAL-LIABILITY-AND-EQUITY>                   157,176                 137,584                 141,069                 147,658
                 152,501
<SALES>                                        246,536                 135,289                  62,003                  60,241
                  62,114
<TOTAL-REVENUES>                               246,536                 135,289                  62,003                  60,241
                  62,114
<CGS>                                          213,942                 117,737                  53,211                  51,688
                  54,310
<TOTAL-COSTS>                                  236,314                 129,500                  58,780                  57,190
                  59,836
<OTHER-EXPENSES>                                   713                     368                     408                       6
                      13
<LOSS-PROVISION>                                     0                       0                       0                       0
                       0
<INTEREST-EXPENSE>                               9,872                   4,468                   2,323                   2,334
                   2,363
<INCOME-PRETAX>                                  (363)                     953                     492                     711
                    (98)
<INCOME-TAX>                                      (37)                     112                     202                     291
                    (40)
<INCOME-CONTINUING>                              (625)                     561                     189                     331
                   (167)
<DISCONTINUED>                                       0                       0                       0                       0
                       0
<EXTRAORDINARY>                                (1,843)                       0                       0                       0
                       0
<CHANGES>                                            0                       0                       0                       0
                       0
<NET-INCOME>                                   (2,468)                     561                     189                     331
                   (167)
<EPS-PRIMARY>                                   (0.42)                    0.10                    0.04                    0.06
                  (0.03)
<EPS-DILUTED>                                   (0.42)                    0.08                    0.03                    0.05
                  (0.03)


</TABLE>