Wheel Hub for Buick Regal 97-04 / Buick Century 04-05 Rear RH=LH FREE 1-year UNLIMITED mileage warranty coverage on Evan-Fischer items purchased thru AUTO PARTS GIANT Store A high quality, Direct Fit OE Replacement Wheel Hub from Evan-Fischer Bolt Pattern: 5 x 4.53 in., Flange Style: 4-bolt modified flange Brake Pilot Diameter: 2.78 in., Flange Offset: 2.56 in., Stud Size: M12 x 1.5 in., Wheel Pilot Diameter: 2.76 in., Flange Diameter: 5.93 in. Bearing Included, Non Driven, ABS sensor and lug bolts