Information?? High quality rubber inner bearing Painted with black duracoat for 8 year rust protection Internal Diameter = 1.181″ Hole Centers = 6.625″ BearingOE ref:92189411 Fits to shafts with OE ref:92213683,92255731Compatibility Chart?? For 2009 Pontiac G8 GT Sedan 4-Door 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated For 2009 Pontiac G8 GXP Sedan 4-Door 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated For 2008 Pontiac G8 GT Sedan 4-Door 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally AspiratedPackage Content?? 1x Centre Bearing, as pictures