SILVERSTONE | Finish GLOSS BLACK W/ MIRROR CUT LIP | size desc 18X8 | lug count 5.0 | bolt pattern metric 5X114.3 | bolt pattern standard 5X4.5 | offset 40 | backspacing 6.07 | centerbore 76.1 | load rating metric 816.0 | load rating standard 1800.0 | division 10 | barrel config S | shipping weight 28.581 | box label desc G-BLK MRR LIP | finish warranty ONE YEAR | structural warranty LIFETIME | rivet part no NONE | lip depth 1.4 | construction type Cast Aluminum | bolt pattern mm1247 114.3